Catalogue. A.H. Abbott & co., manufacturers and importers of mathematical and surveying instruments and drawing materials of every description .. (1896)
Abbott, A. H., & co., Chicago. [from old catalog] · [Chicago] · leaf 135
l, telescope 11 incheslong, with dust shade and cross hairs, fine divided bubble,object glass with rack movement, eye piece adjustable,compass divided to degrees, fine needle, horizontal circle3 inch, divided to degrees, with vernier reading to 5minutes. A most serviceable and compact… … o o o o o o o w O iO o CO CO «* 1—1 1—1 i—i m u 0) o %*>%- : I TO c o o g3~J3^ • £• » X\ <Si C - 3 u rt « 5 aj ii <fl o — „. a z ■»-u o £-£~ 6 1) N O C*.— C „ cj aS w*3 £ ^ c ° « w o .- v ° jy <-> „ c ^ ■—> £t3 *J rt^D O •- e 22 S o ~- g «£ Sag in 3T3 ^3 > u u *-• 2 u CM _C CQ…
Drawing instruments
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