To set out right angle for measuring shoot offset from the chain an optical square
Author: admin
Optical Telescope ( CH 837 )
ORBIT OF AN ATOM – GUPTA BRAND ( 60050002 )
ORGAN PIPE – GUPTA BRAND 8006083
| Varnished wood, with glass front and membrane suspended on cord for loading with sand to show positions of nodes and antinodes. Overall length 760 mm. |