Category:US1008291A Mechanism for regulating the expression in apparatus for playing musical instruments (1904 filed, 1911 published) by Edwin Welte, Karl Bockisch

References

US patent application 1008291, Edwin Welte, Karl Bockisch, "Mechanism for regulating the expression in apparatus for playing musical instruments", published 1911-11-07 , filed in 1904-08-17.

Media in category "US1008291A Mechanism for regulating the expression in apparatus for playing musical instruments (1904 filed, 1911 published) by Edwin Welte, Karl Bockisch"

The following 4 files are in this category, out of 4 total.

US1008291A Mechanism for regulating the expression in apparatus for playing musical instruments by Edwin Welte, Karl Bockisch, p1.png 2,320 × 3,408; 82 KB
US1008291A Mechanism for regulating the expression in apparatus for playing musical instruments by Edwin Welte, Karl Bockisch, p2.png 2,320 × 3,408; 131 KB
US1008291A Mechanism for regulating the expression in apparatus for playing musical instruments by Edwin Welte, Karl Bockisch, p3.png 2,320 × 3,408; 69 KB
US1008291A Mechanism for regulating the expression in apparatus for playing musical instruments by Edwin Welte, Karl Bockisch.pdf 1,158 × 1,702, 11 pages; 1.52 MB

Retrieved from "https://commons.wikimedia.org/w/index.php?title=Category:US1008291A_Mechanism_for_regulating_the_expression_in_apparatus_for_playing_musical_instruments_(1904_filed,_1911_published)_by_Edwin_Welte,_Karl_Bockisch&oldid=868647430"