https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13962948
Surveying: equipment for surveying, a level, a plumb-line, etc. Coloured engraving by J. Lodge.
Surveying: equipment for surveying, a level, a plumb-line, etc. Coloured engraving by J. Lodge.
Original public domain image from Wellcome Collection
Public DomainFree CC0 image for Personal and Business use