Category:1940 inventions

Subcategories

This category has the following 2 subcategories, out of 2 total.

Media in category "1940 inventions"

The following 8 files are in this category, out of 8 total.

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  Consolidated MS.png 1,288 × 796; 139 KB
  
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  US2203569A Musical Instrument (1940-03-08 filed, 1940-06-04 published) by Laurens Hammond - Solovox Fig.15, 16, 17, 18.jpg 1,328 × 2,496; 596 KB
  
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  US2203569A Musical Instrument (1940-03-08 filed, 1940-06-04 published) by Laurens Hammond - Solovox Fig2.jpg 964 × 740; 256 KB
  
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  US2203569A Musical Instrument (1940-03-08 filed, 1940-06-04 published) by Laurens Hammond - Solovox Fig6, 7.jpg 1,200 × 1,300; 472 KB
  
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  US2203569A Musical Instrument (1940-03-08 filed, 1940-06-04 published) by Laurens Hammond - Solovox.pdf 1,158 × 1,702, 11 pages; 1.15 MB
  
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  US2253782A Keyboard for Electrical Musical Instrument (1940-05-07 filed, 1948-08-26 published) by Laurens Hammond - Solovox Fig1 (trim).jpg 1,136 × 716; 253 KB
  
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  US2253782A Keyboard for Electrical Musical Instrument (1940-05-07 filed, 1948-08-26 published) by Laurens Hammond - Solovox Fig1.jpg 1,328 × 716; 324 KB
  
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  US2253782A Keyboard for Electrical Musical Instrument (1940-05-07 filed, 1948-08-26 published) by Laurens Hammond - Solovox.pdf 1,158 × 1,702, 7 pages; 813 KB