Walden ratchet

  Here’s a big clunky 1/2”drive double ended (non-reversible) ratchet, part of an incomplete socket set I did not buy. I expect the mechanism occupies most of the riveted area. Clunky now, but a huge advance for any mechanic back in the day. Previous post on Walden Tools here. 
 

Keeper of the air...

 Why would a tire valve company need or want to take a half page ad in a motorcycle magazine in the 1950s?