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Engineering Drawings Of The Late Steinway AR Pneumatic Stack And Accessories

7 small original drawings & 20 copies; 2 original larges drawings w/3 copies

Designation: EPH-POS
No.: 690
Author/Owner/Origin: William Edgerton
Pub.Date: 1980
Description: Sizes: 8.5×11 & 22×30
Language: Eng
Source: Edgerton
Loan/Own: Gift 12/28/2015
Entry Date: 7/15/2011
No. docs. 32