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Scientific American 1923-10
1061/1099
Where fire-resistant roofing shingles must make good their claim. Testing in a standards laboratory.
Artist: Howard V. Brown
Source: Steve Kirch, collector, and creator of this website about SCIENTIFIC AMERICAN in the past
Restoration by: magscanner
- Created on
- Monday 6 April 2009
- Posted on
- Monday 6 April 2009
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