G - Physics – 01 – C
Patent
G - Physics
01
C
G01C 15/00 (2006.01)
Patent
CA 2398665
A surveying rod aid device for connection with a surveying rod, including a projector, the projector including a housing and a light source for generating a plurality of respective light points at specific intervals along a surface; a power source operable to illuminate the light source; a mounting means to connect the projector with the surveying rod; and a tilt switch for enabling the light source to be illuminated only when the surveying rod has a generally vertical orientation.
Thomas Terry A.
Thomas William L.
Thomas Terry A.
Thomas William L.
LandOfFree
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