| http://www.w3.org/ns/prov#value | - In a cooling system tester for an internal combustion engine employing liquid coolant and having a radiator and a thermostat for controlling the temperature of said coolant, a housing having a chamber therein, said chamber having an opening therefrom, said housing including means at said opening for securing said housing to the filler neck of said radiator, a second opening therefrom, said housing
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