Flash Motor Heater

Flash Motor Heater from the Phillips Mfg co , found this at a swap meet for almost nothing,it still has the instructions in the box and although it has been used its near new condtion and still works...I just
Wanted it for the box to display in my garage with the late 30s or early 40s car on it, on the back the box mentions it only costing two and a half cents per day to operate it and it mentions on 33 to 37 fords to take a long drill bit and pack it with grease to catch SOME of the metal chips and drill out the oil dipstick tube bigger... (geeze),
had to have it...thanks for looking!