Hole photographed with blue paper behind it.
From p. 540 of Popular Electricity and the World’s Advance, vol. 4, edited by Henry Walter Young (1911). Original from the University of Michigan. Digitized May 11, 2011.
sloppydemon liked this
matelate reblogged this from theartofgooglebooks
mileysyrups liked this
justarandomone reblogged this from theartofgooglebooks
like-aclockwork reblogged this from theartofgooglebooks
ubersinnlich liked this
christinamrau reblogged this from theartofgooglebooks
inariedwards liked this
books-etcetera liked this arbace liked this
theredshoes reblogged this from theartofgooglebooks
3annschi liked this
andriacrowjoy liked this
ottodipaolo liked this enflightdesign liked this
leftfootism liked this
gogol-chrome liked this
theageofambivalence reblogged this from edwardiansnow
edwardiansnow reblogged this from theartofgooglebooks
edwardiansnow liked this
theartofgooglebooks posted this