X-ray lens, consisting of a bakelite open-ended, spherical lens that fares to a round lip on one end; the lens is attached to a metal base that has a projected circular opening over which the lens fits and is attached to the base by four screws; attached to the bottom of the metal base is a square …
X-ray lens, consisting of a bakelite open-ended, spherical lens that fares to a round lip on one end; the lens is attached to a metal base that has a projected circular opening over which the lens fits and is attached to the base by four screws; attached to the bottom of the metal base is a square attachment with a circular hole punched in the centre.
Number Of Parts
1
Provenance
Used by either Dr. C. H. Bird or by Dr. H. Godfrey Bird of Gananoque, Ontario