Courses of instruction in piano making
Subtitle: together with a section on player pianos, pneumatic actions, piano actions, and keys ...
Series: Training bulletin -- no. 22; Training bulletin (Washington, D.C. : 1918) -- no. 22
Publisher: Govt. Print. Off.
Published: 1919
Place of publication: Washington
Language: eng
Number of pages: 67
Subjects: Piano; Construction; Technical education; Player piano
Notes: At head of title: U.S. Department of Labor. United States Training Service, C.T. Clayton, director.

Prepared under the direction of Arthur L. Blue.