Sharp-Crawford rotary device
Sharp-Crawford rotary device, a type of rotating slide holder
- Measurements:
-
height 158 mm
width 85 mm
thickness 12 mm
- Object Number:
- A626771 Pt1
- type:
- slide holders
Synoptophore, possibly invented by Walter Green, with Sharp-Crawford rotary devices, 1931-1940
Sharp-Crawford rotary device, a type of rotating slide holder
Sharp-Crawford rotary device, a type of rotating slide holder