Another vital part this project was done outside the
laboratory. His work had been devoted examining
recording techniques and managing the Edison recording studios
at West Orange and later New York City.L. Working at
his house Orange, where had fully equipped lab,
Avl«=worth experimented with compounds that could moulded
into shape. Wurth had been
working cylinder duplication since the 1880s and was
again charge producing the moulds from which records were
to duplicated. Ott was also to
make drawings the plating apparatus (for duplicating) Al
Wurth's instructions. This group was under the
leadership F. used familiar
experimental team: Walter Miller was design the disc
recording machinery for John Ott execute. Ott was old associate Edison who had
been mucker since the Newark days, working closely with the
inventor phonograph development. Miller was make all the experimental
master records for was the recording expert the West
Orange laboratory. Although a
Works employee, Aiken had been heavily involved designing
phonographs and later received patents them. assistant to
Weber, Aiken was fully experienced production engineering
q
and running "gang" workers. Aiken the Phonograph Works. examined the properties phenolic resins which
could moulded heat and pressure.IX- 7
the secret project Glen Ridge. short distance away
. This was the work Jonas Aylsworth, who was
charged with finding harder compound for discs
