Barrel organ manufacture, perforated metal disk is placed on pin circle to check sounds, Grassau, Upper Bavaria, Bavaria, Germany, Europe

Barrel organ manufacture, perforated metal disk is placed on pin circle to check sounds, Grassau, Upper Bavaria, Bavaria, Germany, Europe

Barrel organ, pin circle for perforated disk, comb for sound pickup on the finished organ casing, Grassau, Upper Bavaria, Bavaria, Germany, Europe

Barrel organ, proper function of bellows is checked with driving crank, Grassau, Upper Bavaria, Bavaria, Germany, Europe

Barrel organ, proper function of bellows is checked with driving crank, final adjustment, Grassau, Upper Bavaria, Bavaria, Germany, Europe

Barrel organ, proper function of bellows is checked with driving crank, final adjustment, Grassau, Upper Bavaria, Bavaria, Germany, Europe

Barrel organ builder, workshop, man checks spring wires of sound post on body, empty case on the left, perforated disks in front, open Amorette on the right, Grassau, Upper Bavaria, Bavaria, Germany, Europe

Barrel organ, sound pickup system, worm gear wheel with metal rod as a crank gear, Grassau, Upper Bavaria, Bavaria, Germany, Europe

Barrel organ, bellows, plywood, vents, covered with leather pieces and strips of cardboard, valves for suction and exhaustion of air, Grassau, Upper Bavaria, Bavaria, Germany, Europe

Barrel organ builder, man in barrel organ museum, Kaliston organ with perforated tape, Ariston, Grassau, Upper Bavaria, Bavaria, Germany, Europe