Furnace No. 850 - Lindburg Model No. 3872-E12

36. Diameter X 94. Deep T.U.S. Working Zone
Air Furnace (Electrically Heated)
Honeywell Controller 3000 S/N: 0217Y25469550001C
Honeywell Hi-Limit UDC 2000 S/N: 9906Y940212500004C
Honeywell DPR 3000 Mulitpoint Chart Recorder S/N: 914108391000001
Quarterly Temperature Uniformity (+/-10F)