B - Operations – Transporting – 43 – L
Patent
B - Operations, Transporting
43
L
B43L 13/10 (2006.01)
Patent
CA 2093656
2093656 9206855 PCTABS00011 A surveyor's drafting aid comprising a follower (18) movable by hand along the surface of a structure to be surveyed, and lines (14, 16) connecting the follower to a base station which has a paper support (36) and a marking element (48) cooperating with the paper support, the marking element being drivable from a shaft (40) which is in turn driven from a rotatable carriage (12) rotatably carrying bobbins (20) receiving the lines from the follower.
Kirby Eades Gale Baker
Scribe Instruments Ltd.
Townend David C.
LandOfFree
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