Aho Collection ➔ Compass
Object
1995.1.157
Compass, almost identical to 1995.1.155, except sold by 'Wm. Ainsworth & Sons, Denver, Colo.'. Encased in a grey metal case, contains two spirit levels, one circular, one tubular. Case opens and shuts on a hinge. Mirror on inside lid of case. 'AHO' engraved on front of case and top of leather case. Two grids, 0-360 degree grid on top grid, '% grade' grid on bottom. Used by Dr. Aaro Aho in his mining exploration work.
ORIGINAL OWNER: Aho, Aaro