ScientificAmerican1901-07-27.jpg Scientific American 1899-12-30ThumbnailsScientific American 1901-11-09Scientific American 1899-12-30ThumbnailsScientific American 1901-11-09Scientific American 1899-12-30ThumbnailsScientific American 1901-11-09Scientific American 1899-12-30ThumbnailsScientific American 1901-11-09Scientific American 1899-12-30ThumbnailsScientific American 1901-11-09
The manufacture of blown glass: Lamp chimneys. Forming the chimney in the mold. Forming the ends. Gathering molten glass on the blowpipe. Rolling the glass to conical form before blowing. Melting furnace and blowing machine.



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

Restoration by: magscanner