This steady increase sales 1918 had not
. Cooperation
between engineers the West Orange complex finally led the
development successful correction device 1918. The dictating machine division was the beneficiary of
sound experiments made the Columbia St, phonograph recording
studio and studies electric circuits made the
33
laboratories the primary battery division. The development the dictating machine
ranged from minor changes, such improving the headband
holding the earpiece the transcribing machine which caught
in the typists hair, exploring completely new designs.XI-18
engineering work. This project was under the general control of
Holland, but was dependent considerable feedback from the
users and the cooperation Sam Langley, the engineer in
34
charge the motor department the Phonograph Works. This was
based electromechanical start, repeat, and stop
mechanism.
Improved communication between the various engineering
activities the Edison enterprise offered division managers
valued economies scope the technical improvement their
products. Laboratory men such as
Constable worked with engineers the Works apply cost
reductions developed phonograph manufacture business
phonographs. this way, parts the Amberola phonograph were
32
successfully used dictating machines.
Durand's mission lower the cost the Ediphone was aided by
better cooperation between laboratory and Works and more formal
engineering practices the Works
