Worker cuts compressed air glass cylinders with the hot wire method, which preceded the Pennvernon process. Pittsburgh Plate Glass Company (PPG). 1925.
Fullsize image: https://s3-us-west-1.amazonaws.com/h...d_fullsize.jpg
Worker cuts compressed air glass cylinders with the hot wire method, which preceded the Pennvernon process. Pittsburgh Plate Glass Company (PPG). 1925.
Fullsize image: https://s3-us-west-1.amazonaws.com/h...d_fullsize.jpg
HomemadeTools.net founder (2012) and CEO
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marksbug (Jan 31, 2021), nova_robotics (Feb 1, 2021)
Had to dive in......Plenty o' info here.
https://www.google.com/search?client...+glass+cutting
Sincerely,
Toolmaker51
...we'll learn more by wandering than searching...
Working on inflatable rubber boats at the Goodyear Tire and Rubber Plant. California, 1943.
Fullsize image: https://s3-us-west-1.amazonaws.com/h...s_fullsize.jpg
HomemadeTools.net founder (2012) and CEO
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Millennials don't get to say "Hey! There's MY Mom!", and likely unaware maybe Grandmother instead.
Mine, occupied otherwise;
In fairness, her forte before this was NOT a war plant, or production of any kind. After sewing her fingers together making Lipton Tea bags........but a terrific Marine photographer! They addressed her as Babe, never mere babe.
Last edited by Toolmaker51; Feb 7, 2021 at 12:47 PM.
Sincerely,
Toolmaker51
...we'll learn more by wandering than searching...
Those inflatable rubber "boats" look a lot like the pontoons used during the war to temporarily bridge rivers. Wikipedia has a good article on pontoon bridges...
https://en.wikipedia.org/wiki/Pontoon_bridge
I copied a couple of pictures from that article to show the resemblence to the rubber "boats"
baja (Feb 9, 2021), Jon (Feb 7, 2021), Toolmaker51 (Feb 7, 2021), volodar (Feb 9, 2021)
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