SF. Peckham—Mill Explosion at Minneapolis. 808 
Whole sheets of the corrugated iron with which the elevator 
was covered, measuring eight by two feet but quite thin, were 
icked up on the east side of the river more than two miles 
distant, and pieces of six-inch flooring from two to ten feet long 
were carried to intermediate points. 
An examination of the ruins of the several buildings showed 
that the walls of the Humboldt Miil lay upon those of the Dia- 
mond Mill, and those of the Diamond Mill upon those of the 
mills next the river. There was enough burning middlings 
and flour thrown through the broken windows of the latter 
conclusively showed that fire produced by heated bearings is 
of such extremely rare occurrence in flouring mills as to prac- 
tically exclude such a cause.* No suspicion of incendiarism 
that smoke was issuing from a spout or conductor that dis- 
charged the air that was drawn through between the stones. 
* These gentlemen concurred in the statement that the spindle which carries 
the stone had been known to become welded into the socket in which it revolved, 
the stone. When asked if the friction produced a welding heat, one re- 
Sts ade egal It must be an example of perfect metallic contact, 
ion, 
