Scientific American 1904-10-29.jpg Colgate Shaving Stick -1911AThumbnailsColgate Shaving Stick -1911AThumbnailsColgate Shaving Stick -1911AThumbnailsColgate Shaving Stick -1911AThumbnailsColgate Shaving Stick -1911AThumbnails
Opening of the New York Rapid Transit Subway. Bottom view of one of the new all-steel cars. One of the engines, showing the barometric condensers. The great subway power station with five of the eleven engines and generators in place. Ultimate capacity, 132,000 horsepower.



Source: Steve Kirch, collector, and creator of a great website about SCIENTIFIC AMERICAN in the past

Restoration by: magscanner