The Linear Controls Circuit Data Book for Design Engineers Texas Ins 1976 1st Ed

Robertshaw Installation Data VH700 Series Gas Controls Pamphlet

Robertshaw Controls Company Catalog Of Appliance Control 1974

Data Technology Model 45 4-Digit Multimeter Instruction P/N 548912 July 1974

Eurotherm Controls- Electromagnetic Compatibility Installation Guide 1995 33 Pgs

General Controls GC Co. Gas Controls Service & Instruction Manual 1954

Robertshaw Controls Company Catalog Of Appliance Control 1974

Vintage 1988 Dwyer Catalog Of Controls And Gages