Plumb bobs, antique surveying equipment

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Size: 3712px × 5568px
Location: Golden, Colorado, United States
Photo credit: © Cavan Images / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: antique, apex, apogee, bob, bobs, brass, colorado, golden, gravity, heavy, line, mark, meridian, pair, penetrating, people, perpendicular, plumb, point, states, surveying, tools, unbending, united, verticle, weight, zenith