BLAST FROM THE PAST
Treasure Trove
By Dale Dougherty
Makers past and present populate a unique catalog of hard-to-find lore.
Vince Gingery pulls the crucible from a gas-fired furnace (left).
This 96-page reprint, of a booklet published a century ago, has 46 experiments including a device that makes smoke rings, and one that detonates flour.
Dave Gingery’s Charcoal Foundry shows you how to build a very basic furnace (right).
Photography courtesy ...
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