Place | Oceania: Australia, Australian Capital Territory, Mount Stromlo |
---|---|
Accession Number | 005917 |
Collection type | Photograph |
Object type | Black & white |
Physical description | Black & white |
Maker |
Cranstone, Edward Lefevre (Ted) |
Place made | Australia: Australian Capital Territory, Mount Stromlo |
Date made | 26 February 1941 |
Conflict |
Second World War, 1939-1945 |
Copyright |
Item copyright: Copyright expired - public domain This item is in the Public Domain |
MT. STROMLO, MAKING OF LENSES FOR MILITARY INSTRUMENTS: OWING TO DIFFICULTY IN OBTAINING ...
Description
MT. STROMLO, MAKING OF LENSES FOR MILITARY INSTRUMENTS: OWING TO DIFFICULTY IN OBTAINING SUFFICIENT OPTICAL GLASS HERE, SILVERED PLANES ARE USED INSTEAD OF USUAL PRISM - JACK CRISP HERE GRINDS AN OPTICAL FLAT TO BE USED FOR THIS PURPOSE. (NEGATIVE BY E. CRANSTONE).