The most promising vein low-grade magnetite was found
at Ogdensburg northern New Jersey where abandoned mines
dotted the sides the Musconetcong Mountain. Edison planned use his laboratory to
turn iron mining into high-tech industry, embarrassing the
conservative mine owners and taking their profits. 1889 Edison
. His ore milling
technology was striking its originality; the editors Iron
Age concluded: "he sweeps aside accepted practice this
particular field and attains results not hitherto approached. Edison's plans for magnetic ore separation
were based widespread use electric power and automatic
machinery— the ore was not going touch human hands from
extraction final loading— and the only way could this
was with his own plant. The specialized equipment was designed
and manufactured West Orange, even down the telephone
communication system which was essential manage this
gigantic operation."
Edison could embark original technological path
because had the resources the West Orange complex behind
him. had the greatest
laboratory the world devise and test new ideas.VI-22
processing could make paying proposition.
He pursues methods ore dressing which those who are
9 c
trained may well stand aghast. Nearby
was the Phonograph Works that could manufacture the massive ore
crushing machines. Conventional ore crushing and grading equipment was not
large enough for Edison's ambitious plans; his ore separation
plants were custom built his own design
