MT. STROMLO, MAKING OF LENSES FOR MILITARY INSTRUMENTS: OWING TO DIFFICULTY IN OBTAINING ...

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

Public Domain Mark This item is in the Public Domain

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).