Johnson type plane table outfit for comparatively high precision work, by W. and L.E. Gurley, Troy, New York, USA, 1914
Alidade level for Johnson type plane table outfit for comparatively high precision work, by W. & L.E. Gurley, Troy, New York, USA, 1914.
Combined compass and levels for Johnson plane table outfit for comparatively high precision work, by W. & L.E. Gurley, Troy, New York, USA, 1914
Adjustable set-square for Johnson type plane table outfit for comparatively high precision work, by W. and L.E. Gurley, Troy, New York, USA, 1914
Spare dew-cap and bubble level glass for Johnson type plane table outfit for comparatively high precision work, by W. and L.E. Gurley, Troy, New York, USA, 1914.
Part of Johnson type plane table outfit, American 1914
