1908 Glidden Tour, Beloit, Wis

https://digitalcollections.detroitpubliclibrary.org/islandora/object/islandora%3A190797

looks like a 2 piece billboard getting painted on the truck, before getting moved to be installed on the roadside, or above a building. Photo taken during 1909 New York automobile carnival parade.

https://forums.aaca.org/topic/341211-period-images-to-relieve-some-of-the-stress/page/262/

someone's collection of speedometers and tach from the brass era is getting auctioned at Bonhams

these are only SOME of them... a wide variety for certain

https://www.bonhams.com/auction/28770/two-generations-collection

a very remarkable collection of spark plugs and countertop demo sales models of speedometers and other 1920s petroliana is at auction right now

 

did you know the AC spark plug company made speedometers? I didn't!

https://www.proxibid.com/Matthews-Auctions-LLC/Day-2-Bob-Harrington-Display-Auction/event-catalog/238073

Stewart Warners version of the Boyce Motometer was punnily named the Warn-o-meter

 

and this NOS one is on Ebay https://www.ebay.com/itm/115141493149 for a ridiculous $450.00