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Optical Munitions Test Plates

From the Collection of The Ed Muirhead Physics Museum Level 2, The School of Physics, David Caro Building (192) Corner of Elgin and Swanston Streets The University of Melbourne Parkville VIC

Description
Cardboard box containing cotton wadding and straw padding layered above glass plates individually wrapped in tissue paper. Five plates in the top layer, followed by more padding, 2 more plates, padding, 8 glass plates, padding and straw. Plates are variously sized and circular in shape.
Size
11cm x 12cm x 23cm (box)
Object Registration
459
Keywords
dial sight, optical munitions, glass, mk 1
Historical information
Associated sheet of paper inside box lists each of the test plates as having been tested and found defective.
Inscriptions & Markings
Handwritten on box lid:
'REJECT TEST PLATES / MK1 DIAL SIGHT'
unreadable handwritten inscription
'18'
'[E. E. N Wa...worth] / [...] / [Kob...]'
'23/11/45'
Munitions labelled with technical specifications of each lens.
Last updated
3 Mar 2017 at 10:09AM