1900-S Gas furnaces - WR
Gas furnaces
- New Mint Basement Changes to I Beams
- New Gas Annealing Furnace for Philadelphia Mint
- New Gas Furnace For Silver Coinage
- Gas Furnace for Engraving
- Blowers for Furnaces
- New Cupel Furnace for Assay Department
- Soliciting Bids for New Gas Plant
- Order for New Gas Plant at New Mint
- Oil Tanks for New Gas Plant
- Foundation Wall for New Gas Plant at New Mint