![](http://www.alamy.com/thumbs/6/A1BBB798-3ACF-44B4-8F2D-298D5150E0DE/2ABTPYM.jpg)
BY A. Y. SEARING JR. . 4 5. BY WILLIAM HOOFER HOW TO REP 7, scientific american, -1909-02-06
BY A. Y. SEARING JR. . 4 5. BY WILLIAM HOOFER HOW TO REP 7, scientific american, -1909-02-06
Size: 3435px × 4614px
Location:
Photo credit: © Corantos / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: -1909-02-06, ., .., 4, 5, 7, american, analysis, broadsheet, curious, developments, discover, discovery, education, emerging, engravings, experiment, health, hoofer, industrial, innovation, insights, inventions, inventor, jr, lab, magazine, mind, monthly, paper, patented, publication, rep, research, revolution, sa, sciam, science, sciences, scientific, scientist, searing, states, sustainability, t79., tech, technology, trends, united, weekly, william, works