Vintage work crew photos

[Jon]

Workers spread plaster on the surface of plate glass. Pittsburgh Plate Glass Company. Ford City, PA. 1950.

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[old_toolmaker]

I wonder what the purpose of spreading plaster on plate glass is?
Could it be for protection during shipping?

[hemmjo]

I wonder what the purpose of spreading plaster on plate glass is?
Could it be for protection during shipping?

It is part of the manufacturing process.

[Beserkleyboy]

Hemmjo, thanks for that link. Fascinating stuff, I've just come up for air after an hour down the glass manufacturing rabbit hole...Pilks Australia is still a large player here, as is Viridian. I had the fun of supplying low Fe glass shelves for a dining room china cabinet, 3000 wide x 2100 high in 2008, for a fussy customer who did not like the green edge of regular float. It was 50% more expensive, but in the end, I decided to always use it, when behind glass doors. Thanks for your contributions here.
Jim

[Toolmaker51]

re *2420
I've seen a sparse few tattooed ladies; though tattooed women abound.

Meanwhile, Yes, that is one of the best quotes ever, getting clearer every day.
I'm going to mount a big iron clapper alarm, and tempting black and white decoy wire running to the electromagnet. When a perp snips that, a poster of that quote drops in front of said perp. He/ she/ it will have time to read it before proceeding as neer-do-well.
Not confrontational, I just worked WAY too hard getting this far.

[Jon]

Production. Willow Run bomber plant. Spot welding parts for the nacelle of an aircraft engine. These women work in the largest one-story building in the works, the giant bomber plant at Willow Run, Michigan. Ford plant, Willow Run. 1942 July.

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[marksbug]

so...what was willow running from??

[Toolmaker51]

Jon's poster finds are going to fill every available square inch of my shop entry; a modest history lesson centered on manufacturing history. It's been my quest to alert washed minds of what all that effort requires, and inestimable benefit to our economy.
Spent whole morning with an expert in dynamic engine balancing. he worked on a LS crank for Baja with serious amount of Mallory Metal in the throws. Having built scores of the 383-400 conversions, all was fine until knock-off importations started. So poorly done, mains and crankpins require reground .010/.010 to correct RMS finish, regularity in positioning, and correcting the corners of throws! Why? They hit piston skirts....which required massaging too.
Thank you, lobbyists along with certain manufacturing and retail associations

[marksbug]

the knockoffs have been hear since the 80's .most I have seen and used are far better than most places will/can grind them..even the big guys use some offshore cranks with thise names on them. heavy metel is expensive and a good reason for light weight parts as well as crank lighting in the right places. I dont plenty of heavy metal in many different apps. and seen the moron way fo doing it in "promod engine" musta been a budget engine with used up parts. it was one of the funneyest thisng I had ever seen... 1 inch wide by 1/4" thick steep strap welded around the counter weights....wtf?? and much more than that throught the engine. as for the crank finish of the imports,Ive never had any issue with them I always polich befor assy and set the clearances where I want them( tight side, with thin syn oil) and coated bearings.OH How I love coated bearings. I think they may just be indestructable....well almost. I probably still have some mallory around hear somewhere... Ive even seen it installed by drilling down into the counter weight and pounded in...and...flung back out...you cant fix stupid. I think I still have the reamers for installing them correctly hear at home. I miss doing all that stuff.and racing too.
if they hit the piston skrt...the skirt is in the way.and weighs too much...time to lighten it. and or the rod is too short. probably both.

[Jon]

Forge reheating a 90 ton ingot. Carnegie Steel Company. 1890.

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