File:Illustration of revolving stairs (U.S. Patent 25,076 issued to Nathan Ames, 9 August 1859).jpg
Appearance
![File:Illustration of revolving stairs (U.S. Patent 25,076 issued to Nathan Ames, 9 August 1859).jpg](http://upload.wikimedia.org/wikipedia/commons/thumb/4/48/Illustration_of_revolving_stairs_%28U.S._Patent_25%2C076_issued_to_Nathan_Ames%2C_9_August_1859%29.jpg/425px-Illustration_of_revolving_stairs_%28U.S._Patent_25%2C076_issued_to_Nathan_Ames%2C_9_August_1859%29.jpg)
Size of this preview: 425 × 599 pixels. Other resolutions: 170 × 240 pixels | 340 × 480 pixels | 545 × 768 pixels | 726 × 1,024 pixels | 1,680 × 2,368 pixels.
Original file (1,680 × 2,368 pixels, file size: 645 KB, MIME type: image/jpeg)
File history
Click on a date/time to view the file as it appeared at that time.
Date/Time | Thumbnail | Dimensions | User | Comment | |
---|---|---|---|---|---|
current | 14:27, 15 June 2012 | ![]() | 1,680 × 2,368 (645 KB) | Danmichaelo | Higher resolution scan from Google Patents |
02:12, 1 February 2009 | ![]() | 351 × 576 (85 KB) | BFDhD | {{Information |Description={{en|1=Illustration from U.S. Patent #25,076: Revolving Stairs. Issued to Nathan Ames, 9 August, 1859.}} |Source=[http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.htm&r=1 |
File usage
The following pages on the English Wikipedia use this file (pages on other projects are not listed):
Global file usage
The following other wikis use this file:
- Usage on es.wikipedia.org
- Usage on et.wikipedia.org
- Usage on ja.wikipedia.org
- Usage on nl.wikipedia.org
- Usage on ru.wikipedia.org
- Usage on tr.wikipedia.org
- Usage on uk.wikipedia.org
- Usage on www.wikidata.org