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  • masco model jm-5 3 tube ac-dc intercom system sams photofact manual

Vintage MASCO models JM-5 (master station) and JR (sub station) 3 tube AC-DC intercom system.  Original old Sams Photofact manual includes schematics, layouts, voltage & resistance readings, parts list. 4 pages.  Dated 1948.  Mark Simpson Mfg. Company, Inc. of Long Island City, NY. 

masco model jm-5 3 tube ac-dc intercom system sams photofact manual

  • Product Code: 0004218
  • Length: 11 inches
  • Width: 8 inches
  • Pages: 4
  • Views: 21
  • Availability: In Stock
  • $9.99
  • $7.49

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