MT. STROMLO, MAKING OF LENSES FOR MILITARY INSTRUMENTS: DR. ALLEN CUTTING THE LENS BLANK FROM THE ...

Place Oceania: Australia, Australian Capital Territory, Mount Stromlo
Accession Number 005921
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: DR. ALLEN CUTTING THE LENS BLANK FROM THE GLASS WITH A BRASS CUTTER WHICH ALTHOUGH COMPARATIVELY SOFT IS USED TO CUT THE GLASS WHICH IS ONE OF THE HARDEST SUBSTANCES KNOWN. (NEGATIVE BY E. CRANSTONE).