Shows Vital Temperature Of Heat-Treat Baths Or Lead Pots
Ideal temperature range lets you come up to and hold the constant temperature required for Nitre Blue™ Bluing.
Big Book Catalog, Issue:70, Page:383
Big Book Catalog, Issue:70, Page:394
Sinclair, Issue:5B, Page:089
SPECS: 2" (5.1cm) dial, 8" (20.3cm) long stem, (required to be
immersed at least 2" (5.1cm). 304 stainless. Hermetically sealed.
Guaranteed accurate to ½" of 1%. 200° F. to