File:Balance board rope-brake by Frederic G Ludwig.TIF
Original file (2,320 × 3,408 pixels, file size: 31 KB, MIME type: image/tiff)
Captions
DescriptionBalance board rope-brake by Frederic G Ludwig.TIF |
The drawing is from the 1958 U.S. patent for a rocker-roller balance board designed by Frederic George Ludwig of Woodbridge, Connecticut. The November version's descriptions of the rope are of one that is elastic. |
|||
Date | ||||
Source | Patent 2,829,891 of the U.S. Patent and Trademark Office | |||
Author | Frederic George Ludwig | |||
Permission (Reusing this file) |
|
|||
Other versions |
|
File history
Click on a date/time to view the file as it appeared at that time.
Date/Time | Thumbnail | Dimensions | User | Comment | |
---|---|---|---|---|---|
current | 07:27, 7 July 2011 | 2,320 × 3,408 (31 KB) | DavidMaisel (talk | contribs) | {{Information |Description= The drawing is from the 1958 U.S. patent for a rocker-roller balance board designed by Frederic George Ludwig of Woodbridge, Connecticut.<br> He applied for the patent in 1955. |Source |
You cannot overwrite this file.
File usage on Commons
The following 3 pages use this file:
Metadata
This file contains additional information such as Exif metadata which may have been added by the digital camera, scanner, or software program used to create or digitize it. If the file has been modified from its original state, some details such as the timestamp may not fully reflect those of the original file. The timestamp is only as accurate as the clock in the camera, and it may be completely wrong.
Image title | 00000000 |
---|---|
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 | 31,574 |
Horizontal resolution | 300 dpi |
Vertical resolution | 300 dpi |
File change date and time | 17:44, 21 January 1999 |