Keystone pressure blowers (patent applied for)
Subtitle: a great improvement in blowers ... for forges, boilers, cupola furnaces, heating and puddling furnaces, charcoal iron furnaces, florges and finerys, drying lumber, wool, &c., and for all other purposes requiring strong and steady blast
Publisher: Keystone Portable Forge Co.
Published: 1870
Place of publication: Philadelphia
Language: eng