Comment by Pamela Hirschhorn on January 21, 2023 at 11:36

The Prestolite tank on the side of the Mercer is for acetylene to burn in the headlights. This is why this era is called " gas & brass ".. Thanks for the tour of amazing, early, race cars!!!!

Comment by Pamela Hirschhorn on January 21, 2023 at 11:41

The mechanic would always be seated next to the driver to help keep an eye on oil flow and fuel pressure.

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