Category Archives: Transit, Ainsworth

Wm. Ainsworth & Sons. Used by Lloyd E. Willis, P.Eng. Potentially used on Survey of Alaska Highway in 1942. Comes with wooden box containing lens shade, SunShot eyepiece and magnifying glass. Inside radius of screw in bottom of transit is 2 1/2 inches. Comes with tripod (object AGHS 2024.02.02).