Image: Patent890234 Image
Size of this preview: 800 × 454 pixels. Other resolutions: 320 × 182 pixels | 2,220 × 1,260 pixels.
Original image (2,220 × 1,260 pixels, file size: 632 KB, MIME type: image/jpeg)
Description: Image of Ardis Furnace, in Step process patent, US patent 890234
Title: Patent890234 Image
Credit: US Patent 890234
Author: John T Jones
Usage Terms: Public domain
License: Public domain
Attribution Required?: No
Image usage
The following page links to this image:
All content from Kiddle encyclopedia articles (including the article images and facts) can be freely used under Attribution-ShareAlike license, unless stated otherwise.
