Electrical and scientific instruments and apparatus : november 20th, 1899 (1899)
Elmer G. Willyoung & Co · New York : E.G. Willyoung · leaf 39
Fig. 24. W4215. W4316. Universal Reading Tele§eope $25 00 Constructed of brass; lacquered throughout, except base which isjapanned. Adjustments for altitude and azimuth, vertical rise and fall ofscale, rack and pinion adjustment of telescope, and independent movementof eye-piece to secure distinct… … Fig. 25. W4316. 35
Electric apparatus and appliances · Equipment and supplies
Internet Archive · Medical Heritage Library · Public Domain Mark 1.0. Free to use for anything.
