[posted] Posted (#72892, Warford) !

[ajhaines]

How to become an inventor, by Aaron A. Warford                         72892
  [Subtitle: Containing experiments in photography, hydraulics, galvanism
and electricity, magnetism, heat, and the wonders of the microscope]
  [Author: Aaron A. Warford]
  [Link: https://www.gutenberg.org/7/2/8/9/72892]
  [Files: 72892-0.txt; 72892-h.htm]

Thanks to Demian Katz, Craig Kirkwood, and the Online Distributed
Proofreading Team at https://www.pgdp.net (Images courtesy of the Digital
Library at Villanova University.)

Regards,
Al