Four cellophane discs
Four cellophane discs
Polarization demonstration material associated with Silvanus P. Thompson
This image is released under a CC BY-NC-SA 4.0
Licence
Buy this image as a print
BuyLicense this image for commercial use at Science and Society Picture Library
LicensePolarization demonstration material associated with Silvanus P
Science Museum Group
© The Board of Trustees of the Science Museum
Polarization demonstration material associated with Silvanus P. Thompson, in cardboard box with handwritten label (14 items)
Details
Parts
Calcite crystal, by C.D. Ahrens
Calcite crystal, cork-mounted in wood frame, by C.D. Ahrens
Unannealed glass cube in wood cylinder
Unannealed glass cube in wood cylinder
- Object Number:
- 1986-1680 Pt4
- type:
- unannealed glass
Quarter-wave disc in brass ring with outer ebonite ring
Quarter-wave disc in brass ring with outer ebonite ring
Cardholder for mica and selenite discs
Cardholder for mica and selenite discs for Zeiss polariscope
- Object Number:
- 1986-1680 Pt10
- type:
- cardholder
Biquartz crystal in brass and fibre ring
Biquartz crystal in brass and fibre ring
- Materials:
- brass (copper, zinc alloy) and fibre (unidentified)
- Object Number:
- 1986-1680 Pt11
- type:
- crystal
Four polarization slides
Four polarization slides (Iceland spar, quarter-wave mica plus separate wooden holder, mica, superimposed mica films)
- Object Number:
- 1986-1680 Pt12
- type:
- polarization slides
Brass adaptor for tourmaline on Mawson eyepiece
Brass adaptor for tourmaline on Mawson eyepiece
Glass stopper for four-screw compressor
Glass stopper for four-screw compressor
- Object Number:
- 1986-1680 Pt14
- type:
- stopper
