 
Grubb & Kosegarten Brothers, Piano Forte Actions, Nassau, N.Y.
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Final Inspection of Piano Actions before Shipping
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Gluing piano action parts (note glue pots right of workers)
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Office - Kosegarten Piano Action Mfg. Co. Inc. L. to R. Albrecht O. Kosegarten, Otto
Kosegarten, Cora Mensing, Charles W. Kosegarten
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Automatic Machine Room (Man on right - Albrecht O. Kosegarten)
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Assembly Room
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Machine for pinning parts together. Foreman - center - Otto F. Kosegarten
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