| Name |
Origin |
Author(s) |
Source code |
Description |
| Al_window |
FRM-II |
S. Roth |
comp |
Aluminium window in the beam
|
| Collimator_ROC |
ILL (Dif/D20) |
Thomas C Hansen |
comp |
Radial Oscillationg Collimator (ROC)
|
| Exact_radial_coll |
HMI |
Roland Schedler |
comp |
An exact radial Soller collimator.
|
| FermiChopper_ILL |
ILL Grenoble / TU Muenchen |
M. Poehlmann, C. Carbogno, H. Schober, E. Farhi |
comp |
Fermi Chopper with rotating frame.
|
| Filter_graphite |
ILL |
Thomas C Hansen |
comp |
Pyrolytic graphite filter (analytical model)
|
| Guide_curved |
(Unknown) |
Ross Stewart |
comp |
Non-focusing curved neutron guide.
|
| Guide_four_side |
PSI |
Tobias Panzner |
comp |
This component models a guide with four side walls.
As user you can controll the properties of every wall separatly. All togther you have up to
8 walls: 4 inner walls and 4 outer walls.
Every single wall can have a elliptic, parabolic or straight shape.
All four sides of the guide are independent from each other.
In the elliptic case the side wall shape follows the equation x^2/b^2+(z+z0)^2/a^2=1
(the center of the ellipse is located at (0,-z0)).
In the parabolic case the side wall shape follows the equation z=b-ax^2;mc
In the straight case the side wall shape follows the equation z=l/(w2-w1)*x-w1.
The shape selection is done by the focal points. The focal points are located at the
z-axis and are defined by their distance to the entrance or exit window of the guide
(in the following called 'focal length').
If both focal lengths for one wall are zero it will be a straight wall (entrance and
exit width have to be given in the beginning).
If one of the focal lengths is not zero the shape will be parabolic (only the entrance width
given in the beginning is recognized; exit width will be calculated). If the the entrance
focal length is zero the guide will be a focusing devise.
If the exit focal length is zero it will be defocusing devise.
If both focals are non zero the shape of the wall will be elliptic (only the entrance width
given in the beginning is recognized; exit width will be calculated).
Notice: 1.)The focal points are in general located outside the guide (positive focal lengths).
Focal points inside the guide need to have negative focal lengths.
2.)The exit width parameters (w2r, w2l, h2u,h2d) are only taken into account if the
walls have a linear shape. In the ellitic or parabolic case they will be ignored.
For the inner channel: the outer side of each wall is calculated by the component in depentence
of the wallthickness and the shape of the inner side.
Each of walls can have a own indepenting reflecting layer (defined by an input file)
or it can be a absorber or it can be transparent.
The reflectivity properties can be given by an input file (Format [q(Angs-1) R(0-1)]) or by
parameters (Qc, alpha, m, W).
%BUGS
This component does not work with gravitation on.
This component does not work correctly in GROUP-modus.
|
| Guide_four_side_10_shells |
PSI |
Tobias Panzner |
comp |
This component models a guide with four side walls surounded by up to 10 shells (every shell consists of
additional four walls). In the end it forms a guide with an inner and up to 10 outer channel.
As user you can controll the properties of every wall separatly. All togther you have up to
88 walls: From the inner channel 4 inner walls and four outer walls and from every outer
channel 4 inner and 4 outer walls.
Every single wall can have a elliptic, parabolic or straight shape.
All four sides of the guide are independent from each other.
In the elliptic case the side wall shape follows the equation x^2/b^2+(z+z0)^2/a^2=1
(the center of the ellipse is located at (0,-z0)).
In the parabolic case the side wall shape follows the equation z=b-ax^2;mc
In the straight case the side wall shape follows the equation z=l/(w2-w1)*x-w1.
The shape selection is done by the focal points. The focal points are located at the
z-axis and are defined by their distance to the entrance or exit window of the guide
(in the following called 'focal length').
If both focal lengths for one wall are zero it will be a straight wall (entrance and
exit width have to be given in the beginning).
If one of the focal lengths is not zero the shape will be parabolic (only the entrance width
given in the beginning is recognized; exit width will be calculated). If the the entrance
focal length is zero the guide will be a focusing devise.
If the exit focal length is zero it will be defocusing devise.
If both focals are non zero the shape of the wall will be elliptic (only the entrance width
given in the beginning is recognized; exit width will be calculated).
Notice: 1.)The focal points are in general located outside the guide (positive focal lengths).
Focal points inside the guide need to have negative focal lengths.
2.)The exit width parameters (w2r, w2l, h2u,h2d) are only taken into account if the
walls have a linear shape. In the ellitic or parabolic case they will be ignored.
For the inner channel: the outer side of each wall is calculated by the component in depentence
of the wallthickness and the shape of the inner side.
Each of the 88 walls can have a own indepenting reflecting layer (defined by an input file)
or it can be a absorber or it can be transparent.
The reflectivity properties can be given by an input file (Format [q(Angs-1) R(0-1)]) or by
parameters (Qc, alpha, m, W).
%BUGS
This component does not work with gravitation on.
This component does not work correctly in GROUP-modus.
|
| Guide_four_side_2_shells |
PSI |
Tobias Panzner |
comp |
This component models a guide with four side walls surounded by up to 2 shells (every shell consists of
additional four walls). In the end it forms a guide with an inner and up to 2 outer channel.
As user you can controll the properties of every wall separatly. All togther you have up to
24 walls: From the inner channel 4 inner walls and 4 outer walls and from every outer
channel 4 inner and 4 outer walls.
Every single wall can have a elliptic, parabolic or straight shape.
All four sides of the guide are independent from each other.
In the elliptic case the side wall shape follows the equation x^2/b^2+(z+z0)^2/a^2=1
(the center of the ellipse is located at (0,-z0)).
In the parabolic case the side wall shape follows the equation z=b-ax^2;mc
In the straight case the side wall shape follows the equation z=l/(w2-w1)*x-w1.
The shape selection is done by the focal points. The focal points are located at the
z-axis and are defined by their distance to the entrance or exit window of the guide
(in the following called 'focal length').
If both focal lengths for one wall are zero it will be a straight wall (entrance and
exit width have to be given in the beginning).
If one of the focal lengths is not zero the shape will be parabolic (only the entrance width
given in the beginning is recognized; exit width will be calculated). If the the entrance
focal length is zero the guide will be a focusing devise.
If the exit focal length is zero it will be defocusing devise.
If both focals are non zero the shape of the wall will be elliptic (only the entrance width
given in the beginning is recognized; exit width will be calculated).
Notice: 1.)The focal points are in general located outside the guide (positive focal lengths).
Focal points inside the guide need to have negative focal lengths.
2.)The exit width parameters (w2r, w2l, h2u,h2d) are only taken into account if the
walls have a linear shape. In the ellitic or parabolic case they will be ignored.
For the inner channel: the outer side of each wall is calculated by the component in depentence
of the wallthickness and the shape of the inner side.
Each of the 24 walls can have a own indepenting reflecting layer (defined by an input file)
or it can be a absorber or it can be transparent.
The reflectivity properties can be given by an input file (Format [q(Angs-1) R(0-1)]) or by
parameters (Qc, alpha, m, W).
%BUGS
This component does not work with gravitation on.
This component does not work correctly in GROUP-modus.
|
| Guide_honeycomb |
ILL (France). |
G. Venturi |
comp |
Neutron guide with gravity and honeycomb geometry. Can be channeled and focusing.
|
| He3_cell |
ILL |
Trefor Roberts |
comp |
Polarised 3He cell
|
| ISIS_moderator |
ISIS |
S. Ansell and D. Champion |
comp |
ISIS Moderators
|
| Lens |
ILL/LLB |
C. Monzat/E. Farhi/S. Desert/G. Euzen |
comp |
Refractive lens with absorption, incoherent scattering and surface imperfection.
|
| Lens_simple |
FZ Juelich |
Henrich Frielinghaus |
comp |
Rectangular/circular slit with parabolic/spherical LENS.
|
| MirrorElli |
LLB |
Sylvain Desert |
comp |
Elliptical mirror.
|
| MirrorPara |
LLB |
Sylvain Desert |
comp |
Parabolic mirror.
|
| Monochromator_2foc |
Uni. Gottingen (Germany) |
Peter Link. |
comp |
Double bent monochromator with multiple slabs
|
| Multilayer_Sample |
McStas 1.12cb |
Robert Dalgliesh |
comp |
Multilayer Reflecting sample using matrix Formula.
|
| PSD_Detector |
ILL |
Thorwald van Vuure |
comp |
Position-sensitive gas-filled detector with gaseous thermal-neutron
converter (box, cylinder or 'banana').
|
| PSD_monitor_rad |
FZ-Juelich/FRJ-2/IFF/KWS-2 |
Henrich Frielinghaus |
comp |
Modified: Kim Lefmann
Position-sensitive monitor with radially averaging.
|
| SANS_AnySamp |
FZ-Juelich/FRJ-2/IFF/KWS-2 |
Henrich Frielinghaus |
comp |
Sample for Small Angle Neutron Scattering. To be customized.
|
| SANS_DebyeS |
FZ-Juelich/FRJ-2/IFF/KWS-2 |
Henrich Frielinghaus |
comp |
Sample for Small Angle Neutron Scattering: Debye-Scherrer Ring
|
| SANS_Guinier |
FZ-Juelich/FRJ-2/IFF/KWS-2 |
Henrich Frielinghaus |
comp |
Sample for Small Angle Neutron Scattering: Guinier model
|
| SNS_source |
SNS Project Oak Ridge National Laboratory |
G. Granroth |
comp |
A source that produces a time and energy distribution from the SNS moderator files
|
| Sapphire_Filter |
PSI |
Jonas Okkels Birk (based upon Filter_Graphite by Thomas C Hansen (2000)) |
comp |
Sapphire filter at 300K
|
| SiC |
IRI. |
S. Rycroft |
comp |
SiC layer sample
|
| Source_multi_surfaces |
PSI/Villigen |
Ludovic Giller, Uwe Filges |
comp |
Rectangular neutron source with subareas - using wavelength spectra reading
from files
|
| Virtual_mcnp_input |
ILL |
Chama Hennane and E. Farhi |
comp |
This component uses a file of recorded neutrons from the reactor monte carlo
code MCNP as a source of particles.
|
| Virtual_mcnp_output |
(Unknown) |
Chama Hennane |
comp |
Detector-like component that writes neutron state parameters into a
'virtual source' neutron file with MCNP/PTRAC format.
|
| Virtual_tripoli4_input |
SERMA |
Guillaume Campioni |
comp |
This component reads a file of recorded neutrons from the reactor Monte Carlo
code TRIPOLI4.4 as a source of particles.
|
| Virtual_tripoli4_output |
LLB |
Guillaume Campioni |
comp |
Detector-like component that writes neutron state parameters into a
'virtual source' neutron file when neutrons come from the source :
Virtual_tripoli4_input.comp
|
| multi_pipe |
(Unknown) |
Uwe Filges |
comp |
multi pipe circular slit.
|
| Name |
Origin |
Author(s) |
Source code |
Description |
| ESS ESS_IN5_reprate (ESS_IN5_reprate.instr) |
ESS |
Kim Lefmann (kim.lefmann@risoe.dk), Helmuth Schober, Feri Mezei |
instr |
|
| Tests ESS_test (ESS_test.instr) |
Risoe/KU |
Peter Willendrup & Morten Sales |
instr |
Test instrument for ESS_moderator_long
|
| FZ_Juelich FZJ_KWS2_Lens (FZJ_KWS2_Lens.instr) |
FZ Juelich |
Henrich Frielinghaus |
instr |
FZ Juelich KWS2 SANS, serving as test instrument for the Lens_simple component.
|
| FZ_Juelich SANS_KWS2_AnySample (FZJ_SANS_KWS2_AnySample.instr) |
FZ-Juelich/FRJ-2/IFF/KWS-2 |
Henrich Frielinghaus |
instr |
KWS2 SANS instrument at FZ-Juelich. Custom sample (Guinier), 2 detectors.
|
| FZ_Juelich SANS_KWS2_DebyeS (FZJ_SANS_KWS2_DebyeS.instr) |
FZ-Juelich/FRJ-2/IFF/KWS-2 |
Henrich Frielinghaus |
instr |
KWS2 SANS instrument at FZ-Juelich. Debye Scherrer sample, 2 detectors.
|
| FZ_Juelich SANS_KWS2_Guinier (FZJ_SANS_KWS2_Guinier.instr) |
FZ-Juelich/FRJ-2/IFF/KWS-2 |
Henrich Frielinghaus |
instr |
KWS2 SANS instrument at FZ-Juelich. Guinier sample, 2 detectors.
|
| FZ_Juelich SANS_KWS2_NoSample (FZJ_SANS_KWS2_NoSample.instr) |
FZ-Juelich/FRJ-2/IFF/KWS-2 |
Henrich Frielinghaus |
instr |
KWS2 SANS instrument at FZ-Juelich. No sample, 2 detectors.
|
| LLB Focalisation (FocalisationMirrors.instr) |
LLB |
Sylvain Desert |
instr |
Test instrument for neutron focalisation with a set of supermirrors.
No guide / velocity selector
One parabolic SM converges the incoming beam to its focal point, then one
elliptic SM (with primary focal point at same location as parabolic SM focal point)
images the focal point onto the detector.
|
| Tools Histogrammer (Histogrammer.instr) |
Risoe |
Peter Willendrup (peter.willendrup@risoe.dk) |
instr |
Takes eventfile input (Virtual_input/Vitess/MCNP/Tripoli4 formats) and applies Monitor_nD to generate
histograms. Histograms can be chosen freely using the Options string, see mcdoc Monitor_nD.comp
|
| ILL ILL_BRISP (ILL_BRISP.instr) |
ILL |
E. Farhi and N. Formissano [formisan@ill.fr] |
instr |
Time of Flight Neutron Spectrometer for Small Angle Inelastic Scattering BRISP
|
| ILL ILL_D1A (ILL_D1A.instr) |
LLB/ILL |
E. Farhi |
instr |
Simple monochromator Diffractometer for powders (D1A), with container/sample
environment and radial collimator. May simulate a silica phase transition experiment.
|
| ILL ILL_H113 (ILL_H113.instr) |
ILL |
FARHI Emmanuel (farhi@ill.fr) |
instr |
The H113 ballistic curved cold guide at the ILL
|
| ILL ILL_H142 (ILL_H142.instr) |
ILL |
FARHI Emmanuel (farhi@ill.fr) |
instr |
The H142 S-curved cold guide at the ILL
|
| ILL ILL_H142_IN12 (ILL_H142_IN12.instr) |
ILL |
FARHI Emmanuel (farhi@ill.fr) |
instr |
The H142 S-curved cold guide at the ILL feeding IN12 TAS spectrometer
|
| ILL ILL_H15 (ILL_H15.instr) |
ILL |
FARHI Emmanuel (farhi@ill.fr) |
instr |
The H15 curved cold guide at the ILL
|
| ILL ILL_H15_IN6 (ILL_H15_IN6.instr) |
ILL (France) |
Emmanuel Farhi |
instr |
The IN6 Time-of-Flight simulation, positioned as the first instrument in the
cold guide H15 (Nickel coating) at the ILL.
|
| ILL ILL_H16 (ILL_H16.instr) |
ILL |
E. Farhi, J. Ollivier, Celia Castan Guerrero |
instr |
The H16 cold guide (feeding IN5)
|
| ILL ILL_H16_IN5 (ILL_H16_IN5.instr) |
ILL |
E. Farhi, J. Ollivier, Celia Castan Guerrero |
instr |
The IN5B instrument: chopper system + sample + PSD and tof detector
installed on the H16 cold guide at the ILL
|
| ILL ILL_H24 (ILL_H24.instr) |
ILL |
FARHI Emmanuel (farhi@ill.fr) |
instr |
The H24 curved thermal guide at the ILL
|
| ILL ILL_H25 (ILL_H25.instr) |
ILL (France) |
Emmanuel Farhi |
instr |
The H25 supermirror curved thermal guide at the ILL
|
| ILL ILL_H25_IN22 (ILL_H25_IN22.instr) |
ILL (France) |
Emmanuel Farhi |
instr |
IN22 thermal triple-axis machine (TAS) on guide H25 with sample
|
| ILL ILL_H53 (ILL_H53.instr) |
ILL |
FARHI Emmanuel (farhi@ill.fr) |
instr |
The H53 curved cold guide at the ILL
|
| ISIS ISIS_CRISP (ISIS_CRISP.instr) |
ISIS (UK) |
Robert Dalgliesh |
instr |
Model of the ISIS CRISP reflectometer, including the Multilayer_Sample reflectivity sample.
|
| ISIS HET (ISIS_Hetfull.instr) |
ISIS (UK) |
Dickon Champion |
instr |
HET: High Energy Transfer Chopper Spectrometer
|
| |
ISIS |
Dickon Champion |
comp |
|
| tests Incoherent_test (Incoherent_Test.instr) |
RISOE |
Peter Willendrup, Erik Knudsen, Aziz Aziz Daoud-aladine |
instr |
This instrument allows to compare incoherent scattering from different McStas
sample components.
|
| PSI PSI_DMC (PSI_DMC.instr) |
PSI |
Peter Willendrup (Risoe), Uwe Filges (PSI), Lukas Keller (PSI) |
instr |
|
| PSI FOCUS (PSI_Focus.instr) |
PSI |
Uwe Filges |
instr |
The FOCUS Spectrometer at PSI (Paul Scherrer Institute,Switzerland)
|
| tests Risoe_sans (SANS.instr) |
Risoe |
Kim Lefmann |
instr |
Test instrument for the Sans_spheres component. No guide / velocity selector
etc. Will be developed further at at later time.
|
| Templates SE_example (SE_example.instr) |
Risoe |
Erik Knudsen, Peter Willendrup |
instr |
Mockup of transmission Spin-Echo, written for PNCMI 2010 school in Delft.
|
| Templates SE_example2 (SE_example2.instr) |
Risoe |
Erik Knudsen, Peter Willendrup |
instr |
Mockup of transmission Spin-Echo, written for PNCMI 2010 school in Delft. This version uses Pol_FieldBox for description of the fields.
|
| tests SNS_test (SNS_test.instr) |
SNS Project Oak Ridge National Laboratory |
G. Granroth |
instr |
|
| tests Test_Isotropic_Sqw (Test_Isotropic_Sqw.instr) |
ILL |
E. Farhi |
instr |
A test instrument for the S(q,w) sample
|
| tests Test_Lens (Test_Lens.instr) |
ILL |
E. Farhi/C. Monzat |
instr |
Demonstrate focusing effect of refractive lenses
|
| tests Test_Magnetic_Constant (Test_Magnetic_Constant.instr) |
RISOE |
Peter Christiansen and Peter Willendrup |
instr |
This instrument demonstrates how to use the Pol_simpleBfield
component with a constant field.
|
| tests Test_Magnetic_Majorana (Test_Magnetic_Majorana.instr) |
RISOE |
Peter Christiansen and Peter Willendrup |
instr |
This instrument demonstrates how to use the Pol_simpleBfield
component with a Majorana field.
|
| |
RISOE |
Peter Christiansen and Peter Willendrup |
comp |
This instrument demonstrates how to use the Pol_constBfield
component.
|
| |
RISOE |
Peter Christiansen and Peter Willendrup |
comp |
This instrument demonstrates how to use the Pol_simpleBfield
component with a user-specified fieldFunction.
|
| tests Test_Monochromators (Test_Monochromators.instr) |
RISOE. |
Peter Christiansen |
instr |
Compares intensities of Monochromator_flat and Monochromator_pol
|
| tests Test_PSD_Detector (Test_PSD_Detector.instr) |
ILL |
Thorwald van Vuure |
instr |
Test for PSD_Detector component
|
| tests TEST_PHONON (Test_Phonon.instr) |
RISOE |
Kim Lefmann |
instr |
|
| tests Test_Pol_Bender (Test_Pol_Bender.instr) |
RISOE |
Peter Christiansen |
instr |
Test Pol_bender.
|
| tests Test_Pol_Bender_Vs_Guide_Curved (Test_Pol_Bender_Vs_Guide_Curved.instr) |
RISOE |
Peter Christiansen (peter.christiansen@risoe.dk) |
instr |
Test that Pol_bender and Guide_curved intensities are the same.
|
| tests Test_Pol_Guide_Vmirror (Test_Pol_Guide_Vmirror.instr) |
RISOE |
Peter Christiansen |
instr |
Test Pol_guide_Vmirror.
|
| |
RISOE |
Peter Christiansen |
comp |
This instrument demonstrates how to use the Pol_constBfield
component.
|
| tests Test_Pol_Mirror (Test_Pol_Mirror.instr) |
RISOE |
Peter Christiansen |
instr |
Test that Pol_mirror reflects, transmits, and polarizes.
|
| |
RISOE |
Peter Christiansen |
comp |
Tests Set_pol, V_sample, and pol monitors.
|
| tests Test_Pol_TripleAxis (Test_Pol_TripleAxis.instr) |
RISOE |
Peter Christiansen |
instr |
Based on Emmanuel Farhi's thermal H8 triple-axis spectrometer from
Brookhaven reactor
|
| tests Test_V_sample_off (Test_V_sample_off.instr) |
ILL |
Reynald ARNERIN |
instr |
Instrument to demonstrate the usage of OFF shape samples with totaly absorbing material.
|
| tests Test_shellguides (Test_shellguides.instr) |
PSI |
Tobias Panzner, Uwe Filges |
instr |
This is an instrument test file for 3 components.
|
| Templates Tomography (Tomography.instr) |
Risoe |
Peter Willendrup, based on work by Reynald ARNERIN |
instr |
Instrument to study tomographic imaging by means of the new V_sample feature of OFF shape samples.
|
| Brookhaven H8_test (h8_test.instr) |
ILL (France) |
Emmanuel Farhi |
instr |
The former thermal H8 triple-axis spectrometer from Brookhaven reactor
|
| Risoe TAS1_C1 (linup-1.instr) |
Risoe |
A. Abrahamsen, N. B. Christensen, and E. Lauridsen |
instr |
The conventional cold-source triple-axis spectrometer TAS1 at Risoe National
Laboratory used as a diffractometer for monochromator rocking curves
|
| Risoe TAS1_C1_Tilt (linup-2.instr) |
Risoe |
A. Abrahamsen, N. B. Christensen, and E. Lauridsen |
instr |
The conventional cold-source triple-axis spectrometer TAS1 at Risoe National
Laboratory used as a diffractometer for a collimator tilt alignment.
|
| Risoe TAS1_Diff_Slit (linup-3.instr) |
Risoe |
A. Abrahamsen, N. B. Christensen, and E. Lauridsen |
instr |
The conventional cold-source triple-axis spectrometer TAS1 at Risoe National
Laboratory used as a diffractometer for a collimation alignment study with a
slit sample.
|
| Risoe TAS1_Diff_Vana (linup-4.instr) |
Risoe |
A. Abrahamsen, N. B. Christensen, and E. Lauridsen |
instr |
The conventional cold-source triple-axis spectrometer TAS1 at Risoe National
Laboratory used as a diffractometer for an alignment study with a
vanadium sample.
|
| Risoe TAS1_Diff_Powder (linup-5.instr) |
Risoe |
A. Abrahamsen, N. B. Christensen, and E. Lauridsen |
instr |
The conventional cold-source triple-axis spectrometer TAS1 at Risoe National
Laboratory used as a diffractometer for an alignment study with a
powder sample.
|
| Risoe TAS1_Vana (linup-6.instr) |
Risoe |
A. Abrahamsen, N. B. Christensen, and E. Lauridsen |
instr |
The conventional cold-source triple-axis spectrometer TAS1 at Risoe National
Laboratory used with a vanadium sample.
|
| Risoe TAS1_Powder (linup-7.instr) |
Risoe |
A. Abrahamsen, N. B. Christensen, and E. Lauridsen |
instr |
The conventional cold-source triple-axis spectrometer TAS1 at Risoe National
Laboratory used with a powder sample.
|
| ISIS prisma2 (prisma2.instr) |
ISIS/Risoe |
Kristian Nielsen and Mark Hagen |
instr |
Simple simulation of PRISMA2 with RITA-style analyser backend.
|
| Templates test (template.instr) |
Your institution |
Your name (email) |
instr |
Instrument short description
|
| Templates templateDIFF (templateDIFF.instr) |
LLB/ILL |
E. Farhi |
instr |
Simple monochromator Diffractometer for powders
|
| |
ILL |
K. Nielsen |
comp |
A simple Laue diffractometer
|
| Templates templateTAS (templateTAS.instr) |
ILL (France) |
Emmanuel Farhi |
instr |
Template RESCAL type triple-axis machine (TAS)
|
| Templates templateTOF (templateTOF.instr) |
ILL |
E. Farhi |
instr |
A test instrument for the S(q,w) sample, with furnace/container
|
| Templates vanadium_example (vanadium_example.instr) |
Risoe |
Kristian Nielsen and Kim Lefmann |
instr |
A test instrument using a vanadium cylinder
|