“The Miller Mica Spark Plug”
Typophile
(x) Vintage sans in 1910 Miller Mica Spark Plug ad - Pastel Bold {Nick Shin}
Clearface Gothic might be close, or Dyna Grotesk sort of?
Pastel Bold, Barnhart Brothers and Spindler.
I think you got it. Thanks!
Yes, there is a little bit of humanism in the lower case, along with Art Nouveau in the caps, and Plate Gothic in general.
Captured from web.archive.org on 24 Apr 2008. view this capture