Tape measure marking

[Macduf]

What does the p.r. appd mean? Seems to be on most of the tapes.

 

[The Cobbler]

Interesting, don't recall seeing that

looked on web and found this

Below I ridiculed the answer from Lufkin - oops mea calpa. The answer
> from Stanley -drum roll -
>
> "P. R. APP"D NO 339 TC printed on our blades is our certification
> approval (Issued by the Govt. of Puerto Rico) number issued to Stanley
> Tools allowing us to sell Tape Rules in Puerto Rico. Issued in the
> late 1960's.

 

[Handyfarmer]

form this site, http://swingleydev.com/ot/get/194988/thread/ a thread from 8-2009

> Below I ridiculed the answer from Lufkin - oops mea calpa. The answer
> from Stanley -drum roll -
>
> "P. R. APP"D NO 339 TC printed on our blades is our certification
> approval (Issued by the Govt. of Puerto Rico) number issued to Stanley
> Tools allowing us to sell Tape Rules in Puerto Rico. Issued in the
> late 1960's.
>
> Same type of certification as the NOM for Mexico."

 

[dscheidt]

Puerto rico approval. The number tells you who the company that made it is.

 

[Macduf]

Would never have guessed