U.S. Mint at San Francisco, Preparing Coin Blanks San Francisco Annealing Furnace

San Francisco Annealing Furnace

SF Mint Annealing Furnace Blank Feeder

Large furnace used to anneal coinage blank material Tom Jurkowsky in background

Conveyor for Annealing Furnace at San Francisco Mint
Upsetting Mill at San Francisco Mint