Quick view Add to Cart Preliminary Instructions for Heywood Compressors and Automatic Regulator Valves Document Part Number: T.O. No. 03-1-6 Number of pages: 4Part Number: T.O. No. 03-1-6, Ch 8 Part ABRevision Date: 30-Mar-1943Description: Manufactured By: Eclipse for Type 972-1A Compressors and 1014-1A Valves MSRP: Was: Now: $15.00