Unknown press markings

Hello all –

You’d think that after 4 years of owning this press and scrubbing, cleaning, and rebuilding most parts of our SP20, I’d have seen everything. A few weeks ago I noticed a pair of markings on the non-operator side of our press.

Directly across the end of the press from the serial number and the inspector mark (J.HLAVIN), outside the bearer is the following CM stamp:

 

It’s not on the other, newer SP20 in our shop. Does anyone recognize it? Could it stand for Chicago Machinery (wild guess) or Craftsman Machine Co (sacrilege!)?

Is it from a sub-contractor or reseller?

Thanks all!

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Paul Moxon, Moderator
Admin
12 years ago

Could be. There was a Conrad Majewski, and a Charlie McLaughlin who worked in roughly the same time, 1969, that Kyle’s SP20 (sn: 28222) was built. So far their positions within the company is not known. But “CM” may not refer to a person.

John Henry
Editor
12 years ago

Do you suppose that C.M. was fairly new to the inspection dept. and Hlavin had to certify his work? That could account for two inspectors marking one press.

Paul Moxon, Moderator
Admin
12 years ago

Mysterious, yes. “CM” has been reported on a couple other SP20s, but no clues have been found in the Vandercook archives. Similarly, several 219 OS presses (1927-47) have various two letter suffixes stamped after the serial number: “BS”, “CH”, “DJ”, “EF”, “FS”, “KS”, “OT”, “OY” and “QE”. One thought is that these could be the initials of factory employees, but most of those who are known post date its production run.

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