BLUE M ELECTRIC CO

for ashing, drawing, igniting, tempering, etc. Above 2000° F., for sintering, melting, clinkering, fusing and high speed hardening. For use with. 230...
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BLUE M

Determination of Ozone by Neutral and Alkaline Procedure. D. H. BYEKS AND B. E. SALTZMAN, U. S. Public Health

W NO MOTORS 100°. WORKING SPACE