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tech / rec.crafts.metalworking / Re: "Yankee" Calipers & Dividers

Re: "Yankee" Calipers & Dividers

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Date: Tue, 29 Aug 2023 09:19:27 -0700 (PDT)
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Subject: Re: "Yankee" Calipers & Dividers
From: dr1212.mail@gmail.com (David Racine)
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by: David Racine - Tue, 29 Aug 2023 16:19 UTC

On Tuesday, July 23, 2002 at 5:04:20 AM UTC-4, DeepDiver wrote:
> Hello again everybody,
> Could someone tell me what "Yankee" calipers and dividers are and how they
> differ from regular calipers and dividers?
> Also, what exactly is a "solid nut" on a caliper or divider? I see this term
> used often as a marketing point. Is it better than a spring nut?
> Thanks,
> Michael
I can tell you Starrett & Lufkin Calipers are the most popular. The Starrett differences are;
Toolmaker Spring Type No.274,275,277 2-6” Caliper OD/ID/Divider = round leg / solid nut
Fay Spring Type No.74,75,77 3-6” Caliper OD/ID/Divider = flat leg / both solid nut & spring nut
Yankee Spring Type No.73,79,83 2-1/2 - 12” Caliper OD/ID/Divider = flat leg / both solid nut & spring nut - with threaded nut attached to the legs
Firm Joint No.26,27 3-36” Caliper OD/ID/Divider = flat leg / both solid nut & spring nut - with threaded nut attached to the legs
Lock Joint No.38,39 4-24” Caliper OD/ID = flat leg / Fine adjustment screw
Lock Joint Transfer (for Layout) No.36,37 4-24” Caliper OD/ID = flat leg / Fine adjustment screw
(I sell them all day @ www.ebay.com/usr/mrdavesneedfulthings )

Subject	Author
Re: "Yankee" Calipers & Dividers	David Racine