Optical Device


photo by Becky Campbell 








Materials: glass magnifying lenses (diameter 6 and 10 cm), metal hose clamp, silicon rods, piece of plastic contour map (torn, approx. 6x4 cm), plastic zipper bag. 
Status: component parts. 
Function: yet to be determined -presumable use in navigation, photogrammetry or hydrographic surveying.

For the project Curious Artefacts” by Becky Campbell