Archive
of
Collections
Details and Image
Type
Model No.
Maker
Country
Construction
Material
Date
Scale Length
Area of Use
"Slide Rules, Other"
Richardson / Slide Rule Model of 1917
Geo. W. Richardson
USA
Wood/brass/celluloid
1917-1920
43 cm
Artillery
Notes:
Robust military grade desktop slide rule made for J. H. Weil & Co. for finding the range to the target given observations from the gun location and an observer at another location - Trig scales are in Mils (6400 mils = 360 degrees)?.
Image 1
Image 2
Image 3
Image 4
