1910 Mitchell Special Speedster, powered by a, 11 liter, 697cu in T-head inline-six built by the Wisconsin Motor Manufacturing Company. (thank you Capt Doug!)

Even has a legit Selden Patent badge and a Jones 60-mph speedometer! 

https://bringatrailer.com/listing/1910-wisconsin-mitchell-11-liter-70hp-special-speedster/

Bill Mitchell 23 years as a designer at General Motors, eventually becoming Vice President of Design, a position he held for 19 years until his retirement in 1977

but he got started as an illustrator for Barron Collier https://justacarguy.blogspot.com/2018/07/a-quick-history-of-revs-institute-scca.html

and was known for pranks and being a drunk, when not being regarded for great design. He once stole a New York Central park horse carriage and attempted to drive it into his hotel lobby.

https://autoweek.com/article/autoweek-60/born-1958-bill-mitchells-sting-ray-validates-truism

fire fighters on a Mitchell

http://cdm16855.contentdm.oclc.org/cdm/ref/collection/LBFiremen/id/1649

1904 Mitchell, first car with a Rootes blower

This is the car in the photo, it was kept in the family's possession 

Bill Mitchell's Gran Prix prototype

Celebrities and their cars

 1909 WC Fields in the back of his American Traveler

1910 Teddy Roosevelt in the back of a Mitchell

 1921 to 1924 Jack Dempsey behind the wheel of a very special McFarlan roadster

 1926 Babe Ruth being given an Auburn roadster

 Clark Gable in his famous 1936 Model J Duesenburg body by Bohman & Schwartz

The wonderful Mickey Rooney (loved his performance in Black Stallion) in a 1949 movie The Big Wheel

all found on http://theoldmotor.com/

https://primotipo.com/2017/04/02/takin-the-mickey/

the great art and variety of design in 1909 car company catalogs

 The Corbin 4 Passenger baby tonneau

 Corbin 4 passenger roadster

Corbin 5 passenger touring

Aboev is a 1909 Corbin I found on http://theoldmotor.com/?p=19172

Notice in the above description the roadster is said to have a "mechanician's" seat. What the hell? I've learned a new word! According to Wikipedia a mechanician is an engineer or a scientist working in the field of mechanics, It is also the term by which makers of mechanical automata use in reference to their profession.

found among hundreds of great old car catalogs at http://digitalgallery.nypl.org/nypldigital/dgkeysearchresult.cfm?word=title_id_list:454055&slabel=Automobiles%253A%2520Manufacturers%2520catalogues%252E&sScope=images&sLevel=1