X-ray lenses, consisting of a metal rectangular base with rounded edges and one small notch along short edge; circular hole in centre of plate; bakelite cylinder with open bottom, flared collar and closed, convex top; cylinder attaches to base via four equidistantly set covered screws; there is a s…
X-ray lenses, consisting of a metal rectangular base with rounded edges and one small notch along short edge; circular hole in centre of plate; bakelite cylinder with open bottom, flared collar and closed, convex top; cylinder attaches to base via four equidistantly set covered screws; there is a seam running around top just beneath a convexity.
Number Of Parts
1
Provenance
Owned and used by Dr. H. G. Bird or Dr. C. H. Bird of Gananoque, Ontario.
Dates
1940
1960
circa 1940-1960
Material
metal: silver
plastic: black
Inscriptions
None
Permanent Location
Storage Room 0010
0010-F4-11
Dimension Notes
Length 27.9 cm x Width 22.8 cm x Depth 8.5 cm
Condition Remarks
Scratches on surface; paint chipped on bakelite dome; spots of inacitve corrosion on metal base.
Copy Type
Original
Reference Types
Book
Reference Comments
"The Life and Times of Dr. C. H. Bird," by Dr. H. G. Bird
Research Facts
Focus X-ray beam into a more powerful, controllable beam.