DeVlieg 3H & 43H Spiromatic Jigmil Operation & Maintenance Manual
DeVlieg No. 3H-48, 3H-60, 3H-72, 43H, etc. Spiramatic Jigmil (Covers all 3H and 43H version). Installation, Operator's Instruction and Maintenance Manual with a full, multi-page Electrical Wiring Diagram. For a Parts Manual for the 3H see the entry below.