Old Starrett square

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Forum topic by planeBill posted 04-30-2012 09:37 PM 2180 views 0 times favorited 4 replies Add to Favorites Watch
View planeBill's profile


504 posts in 1496 days

04-30-2012 09:37 PM

I picked this old square up at the flea market this weekend and was wondering if anyone can tell me anything about it. It’s a 3” Starrett square and says hardened No. 4,Athol Mass U S A and The L. S. S. Co. on it and is marked in 8th’s and 16th’s on one side and 32nd’s and 64th’s on the other. It is in dcent shape cosmetically and is in fine working condition.


-- I was born at a very young age, as I grew up, I got older.

4 replies so far

View hairy's profile


2254 posts in 2620 days

#1 posted 04-30-2012 10:49 PM

I have one very similar to it. Could be it’s twin. Also a flea market find. All I know is that it works very well and it’s my go to tool when I need one.

-- stay thirsty my friends...

View MrRon's profile


3475 posts in 2331 days

#2 posted 05-01-2012 03:56 PM

That must be one of the first squares made. I never heard of a 3” square and none of my catalogs lists one that size. By 3”, is that the length of the blade? The smallest one listed is 4”. Looking at the photo, I can see graduations going past the 3” mark, so I know it’s not a 3”. 4 indicates the graduation range used; 8ths and 16ths on one side; 32ths and 64ths on the other. Have it checked against a known precision square before assuming it is still precise.

View Brandon's profile


4147 posts in 2039 days

#3 posted 05-01-2012 04:18 PM

Great find! I just recently got a 12” Starrett square and am loving it. I think this is a 4” model.

-- "hold fast to that which is good"

View planeBill's profile


504 posts in 1496 days

#4 posted 05-03-2012 03:58 AM

Bad on me, it is indeedy a 4” sq. Must be why you couldn’t find the 3” in the catalog Mr Ron. :) I don’t really know how accurate it is but it is as accurate as my most accurate sq so I believe I can trust it enough to use. And, it is oh so smooth, it works very nicely. I likes it for $7 all day.

-- I was born at a very young age, as I grew up, I got older.

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