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Gas Check Pad Maker

Make gas-check pads of plastic and wire screenings.

What does a Gas Check Pad Maker do?

Makes gas-check pads of plastic and wire screening to be used in breechblocks of bag-loading cannons: Mixes specified quantity of ingredients, such as vaseline, powdered asbestos, and graphite in agitator to form puttylike substance. Presses specified amount of mixture between dies in hydrostatic press to form disk. Shapes brass wire screening into similar shape, using snips and soldering iron. Embeds wire in disk, using hydrostatic press. Coats pad with graphite paint and stencils identifying data on pad. Wraps pad in wax paper.