[posted] Posted (#69127, Mayer) !

Bromoil printing and bromoil transfer, by Dr. Emil Mayer 69127 [Author: Dr. Emil Mayer] [Translator: Frank Roy Fraprie, S.M, F.R.P.S.] [Link: https://www.gutenberg.org/6/9/1/2/69127] [Files: 69127-0.txt; 69127-h.htm] Thanks to Charlene Taylor and the Online Distributed Proofreading Team at https://www.pgdp.net (This file was produced from images generously made available by The Internet Archive/American Libraries.) Regards, Al