File:Pat1740079.pdf

From Open Source Ecology
Jump to navigation Jump to search

Pat1740079.pdf(file size: 285 KB, MIME type: application/pdf)

Thomas Edison Patent: "Extraction of Rubber from Plants" (1929)

File history

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

Date/TimeDimensionsUserComment
current11:19, 22 January 2011 (285 KB)Rasmus (talk | contribs)Thomas Edison Patent: ''"Extraction of Rubber from Plants"'' (1929)

The following page uses this file: