Some micrometer history

[markwesti]

I saw it all on the internet so it must be true . Is this one of the first production mic's from Brown & Sharpe ? After they bought the patent form Palmer . It's for sale on a popular auction site .

Here is some fun history .

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Also a good read .

Exceptionally Rare & Historically Important Micrometer by PALMER

I think the best way to start this post off is with a little story... about a month ago someone was in my house and saw my micrometer collection and asked what it was... I proceeded to tell them it was a collection of antique micrometers that contained about every important patent except for the...

www.practicalmachinist.com

 

[rivett608]

One detail I have never found is if in fact B & S bought the Palmer patent, or just licensed it. The patent dates from 1848 so it may well have been expired by the time B & S saw in Paris at 1867 exposition. They could have just used it but always did give Palmer just a little credit.