Technical supply co., Scranton. [from old catalog] · Scranton, Pa., Technical supply co · leaf 356
CROSS STAFF HEADS … 4040 4040. Cross Staff Head, octagonal, for Jacobs staff, 24 inches, in case each, $ 3.00 4041. Cross Staff Head, octagonal, for Jacobs staff, with magneticcompass, 3-inch needle, If inches each, 5.00 4042. Cross Staff Head, like No. 4041, with vertical axis and divided circle, to take angles, 3§…
Engineering instruments · Drawing instruments
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