Scientific American, Vol. 80, No. 13 (April 1899)

1899 · 16 pictures

Munn · Lens · Gas · Device · Apparatus · Scientific American · Houdin · Illustrated catalogue · Gold medal · Photographic lens · Motor carriage · Working drawings · Metric system · Sheet metal · Truant school · Fire escape

Internet Archive · Public domain (published before 1931) · More from this library