File:Wobble chair for babies and toddlers by William F. Hudson in 1923.tiff
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DescriptionWobble chair for babies and toddlers by William F. Hudson in 1923.tiff |
These are two of the drawings for a patent titled "Amusement and Exercising Device." The inventor was William F. Hudson of Philadelphia, Pennsylvania. The 1929 U.S. patent for this device was applied for in 1923. Its patent number is 1,712,703. The patent included eleven drawings. |
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Date | ||||
Source |
Patent 1,712,703 of the U.S. Patent and Trademark Office |
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Author | William F. Hudson | |||
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 04:59, 2 September 2011 | ![]() | 2,320 × 3,408 (43 KB) | DavidMaisel (talk | contribs) | {{Information |Description= These are two of the drawings for a patent titled "Amusement and Exercising Device." The inventor was William F. Hudson of Philadelphia, Pennsylvania. The 1929 U.S. patent for this device was applied for in 1923. Its patent |
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Image title | 00000000 |
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Width | 2,320 px |
Height | 3,408 px |
Bits per component | 1 |
Compression scheme | CCITT Group 4 fax encoding |
Pixel composition | Black and white (White is 0) |
Image data location | 384 |
Orientation | Normal |
Number of components | 1 |
Number of rows per strip | 3,408 |
Bytes per compressed strip | 43,572 |
Horizontal resolution | 300 dpi |
Vertical resolution | 300 dpi |
File change date and time | 07:32, 5 January 1999 |