Books -> Magazine Back Issues
Scientific American- 7/19/1913- Floating Grain Pontoon
scientific American- 7/19/1913- cover and article, grain installation
fixed on a floating platform at Emden on the north sea.
articles within this issue, wireless and sound signals as aids to
navigation, a machine for blowing window glass, patent office news,
period advertising.
item in good condition, minor cover separation.
Item # : 142133
Box # : 988944
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