Barrel organ, Helikon, Punch and Judy design with perforated disk, Grassau, Upper Bavaria, Bavaria, Germany, Europe

Barrel organ builder, workshop, man puts sound post between bellows, 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 manufacture, support for sound pickup is screwed onto sound post, 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 blowing into sound post, checking tones with his mouth, Grassau, Upper Bavaria, Bavaria, Germany, Europe

Barrel organ builder, workshop, man blowing into sound post, checking tones with his mouth, Grassau, Upper Bavaria, Bavaria, Germany, Europe

Barrel organ builder, workshop, man blowing into sound post, checking tones with his mouth, 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, 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, metal reeds with wooden valves, Grassau, Upper Bavaria, Bavaria, Germany, Europe