Industry

Pittsburgh Glass

Linen

textile

Betterton-Kroll Process

metallurgy

Bolt

fastener

Maxim, Hudson

American inventor

Plate Glass

Nankeen

cloth

Synchronous Motor

mechanics

Shale Oil

petroleum

Drum

container

Adit

mining

Galvanizing

metallurgy

Cracking

chemical process

Calamine Brass

alloy

Bellows

mechanical device

Oil Shale

Composition, Extraction, Production, & Facts