Telechron, Inc., Ashland, Massachusetts, USA. Model Type A, serial no.
454, c. mid 1920's.
Restoring the movement.
The movement was not in as good a shape as the case. Coming from a sewerage plant, the
brass had been somewhat corroded and needed a through cleaning and in some places where
corrosion was severe a bit of refinishing.
The normal procedures of dismantling and cleaning in an ultrasonic cleaner using a
degreaser were followed.