Hi Group,  Ken Marts asked for information about a Sojin build-up
orchestrion.

  "Sojin Piano Co., 1055 West Victoria St., Compton, CA 90220 is a
  division of Daewoo Intl. Corp. (1980) factory is in Yeoju, Korea."

The Pierce Piano Atlas, 10th Edition, lists vertical pianos with serial
numbers from 1983 (035080) to 1990 (166058).

Jack M. Conway, Los Angeles, California, USA