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machines roared and men sweated the grimy heat. was constructed deep foundation of
brick and cement that would dampen any shocks the delicate
electrical measuring equipment inside.
Once the main laboratory was completed work began four
smaller laboratory buildings, identical size 100ft 25ft)
and positioned right angles the main building. There
were also numerous condensers, induction coils, relays, and
electro-mechanical assemblies hand.
Building was established the chemical laboratory. Great pains were taken
to avoid all metal fittings that might influence the
electromagnetic devices used experiments. The "galvanometer room" the early plans for the
lab was now made into separate building, completely dedicated
to electricity. The rear part Building was turned into a
wood-working shop make the jigs and patterns needed the
. It
was fitted with balance room and lined with shelves
containing bottles chemicals. Building was used a
storeroom for the overflow chemicals for Building an
indication the growing importance chemistry the Edison
laboratory. This building
contained all sorts electrical measuring devices, including
several kinds galvanometers, Wheatstone bridges, and large
selection meters use the Edison lighting system.
Building was devoted electrical work and the study of
magnetism.(Illus.
1-4, Lab and satellite buildings, 7206) They were numbered 1
through starting with the one closest Main Street
