Jump to content

File:Rotary kiln Johannsen patent US1618204.png

Page contents not supported in other languages.
This is a file from the Wikimedia Commons
From Wikipedia, the free encyclopedia

Original file (1,016 × 550 pixels, file size: 164 KB, MIME type: image/png)

Summary

Description
Français : Brevet de Friedrich Johannsen d'un four rotatif destiné à retirer les éléments volatils du minerai de fer ou des produits ferreux.
English: Friedrich Johannsen patent for a rotary kiln designed to remove volatile elements from iron ore, or from iron products.
Date
Source US Patent Office
Author Friedrich Johannsen (1897-1983)

Licensing

w:en:Creative Commons
attribution share alike
This file is licensed under the Creative Commons Attribution-Share Alike 4.0 International license.
You are free:
  • to share – to copy, distribute and transmit the work
  • to remix – to adapt the work
Under the following conditions:
  • attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
  • share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.

Captions

Add a one-line explanation of what this file represents

Items portrayed in this file

depicts

22 February 1927Gregorian

image/png

167,927 byte

550 pixel

1,016 pixel

a7d6c0b50243ea5d2cd0a3698609f215fa2e9434

File history

Click on a date/time to view the file as it appeared at that time.

Date/TimeThumbnailDimensionsUserComment
current20:19, 27 January 2021Thumbnail for version as of 20:19, 27 January 20211,016 × 550 (164 KB)Borvan53Uploaded a work by Friedrich Johannsen (1897-1983) from [https://patents.google.com/patent/US1618204 US Patent Office] with UploadWizard

The following 3 pages use this file:

Global file usage

The following other wikis use this file:

Metadata