~1937 Knockout Punch Tester - 腕力計 [import] by Exhibit Supply

Name: Knockout Punch Tester - 腕力計 [import]
Year: imported by ~1937, existed at least in 1931
Company: Exhibit Supply

~1937 日本娯楽商報 catalogue entry

Transcription:

本機は一錢投入してパツクを引上げ横に殴り付けるこ目盛により力量,示します

Machine translation:

This machine shows your ability by inserting a coin, pulling up the bag, and hitting it sideways.

The photo used in the catalogue appears to be the exact same image used below in this 1931 Exhibit Supply catalogue.

1931 Exhibit Supply catalogue

I have been unable to track down other ephemera related to this machine, but we at least know it existed in 1931.

I found USA classified ads in 1936 and 1943 each selling a copy of this machine, but that's it so far.