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 120
^itn\\\\\\\\\v^yVYVvv^ 895No. Each. 895. Pocket Flexible Leveling Rod, 12 feet long, 3 inches wide, divided to TVths and y^bs of a foot, in tin case $4 00 896. The same, 12 feet long, divided in inches and 3^ths of an inch, in tin case 4 00 The flexible rods are a prepared strip of canvas, 3 inches… … 902 903 900. Plumb Bob, brass, 6 ounce, steel point, screw cap §1 50 901. « 8 1 »;i 902. 12 2 00 903. « « 141/ u a u with long neck 2 -0 904. Adjustable Plumb Bob, brass, 10 ounces 2 50 This plumb bob lias a concealed reel, around which the string is wound. by turning the milled head on top- The…
Drawing instruments
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