Special marks: “Master Concrete” holders I

I don’t know anything about the Master Concrete designation, but it’s probable that a craft union administered it. Although I didn’t seek out examples of each Master Concrete number, or even collate them until after my sidewalk survey was finished, I think I’ve captured all of the ones who practiced in Oakland.

Here they are, in numerical order.

masterconcrete2-schnoorbros

masterconcrete4-lindstrom

masterconcrete6-anderson

master-concrete7-wentworth

masterconcrete8-ryan37

Ryan continued to use “Master Concrete” on his mark after 1937, but without the number:

masterconcrete-ryan

masterconcrete12-wtodd

masterconcrete14-douglaswolfe

Ed Doty had two Master Concrete numbers.

masterconcrete16-eddoty

masterconcrete17-eddoty

I have to say that all of these Master Concrete workers did high-quality work. It was surely a source of pride, a higher wage, and more than the usual mortification when errors were made.

masterconcrete17-eddotytypo

And the last of the series (so far anyway):

masterconcrete18-casqueiro

Except for Ed Doty’s number 17, all of these are even numbers. That’s odd. [Update: I missed Master Concrete number 7; so much for odd trends.]

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2 Responses to “Special marks: “Master Concrete” holders I”

  1. Mike Fitz Says:

    “Except for Ed Doty’s number 17, all of these are even numbers. That’s odd.”

    LOL! Good one… I was wondering if perhaps the upside down 2 on Doty’s mark could have been a substitute for a 7, so the year would be 1947 for that mark, not ’42….but probably not.

  2. Andrew Says:

    I overlooked number 7! It’s hard to maintain concentration while reviewing several thousand images.

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