Photograph Optical Munitions: Optical Flat
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
- Part of a series of optical munition snapshots 1940-1947. Refer to Cat No 137 for full details. Black and white photo of optical flat in de luxe case with certificate: “GLASS OPTICAL FLAT, made by Natural Philosophy Laboratory, Melbourne University” Number 18. Accuracy of surface flat within .000,001 inch .... Issued by (signd) T.H.L. Feb 19, 1941. Duplicate copy of Cat no 137; in OMP Album Vol 1 #17.
- H24.5 x L19 x D0.1
- In ink on lower left hand corner : “17”. Inscribed on back in pencil: “No. 17”
- 1 Dec 2014 at 12:08PM