This is a thermostatic controller made by the Fulton Slyphon Division of Robertshaw Fulton Controls Co., model E1-R E1 2 R.

• Temperature regulating parts kit
• This consists of a bellows which would attach to the valve, a threaded cap with nameplate, approxamately 25 feet of tubing (sheathed capillary), and the controller body.
• The controller has an adjustable temperature setting by way of a knob on the top, with temperature read by way of a small thermometer mounted behind the face.
• Cap for valve is labeled:
• Buship stock number: HM45F-60448
• Contract number: N104-61039
• Serial number: 56D6347
• Length: 25 Date: 11/19/56
• Item: 52
• Pressure capacity: 35
• Model: E1R E1/2R
• Brass tag on tube: FED HM4820-319-4729
• NSN number: 4820 00 319 4729