Ashton Valve Company

The Ashton catalogs not only had new products and the regular offerings but always a firm statement of the company's purpose and intent. They make for interesting reading.

1896 part 2

1896 part 3

The 1906 catalog

1906 part 2

The 1920 catalog.

1920 part 2

https://www.smokstak.com/forum/attachme ... 1574460732

https://www.smokstak.com/forum/attachme ... 1574460732

And catalog #28

#28 part 2

The dead weight tester is the accepted way to check the accuracy of a guage. Here is an interesting article about the tester.

https://www.instrumentationtoolbox.c...auge-with.html

Anybody ever use on of these?

Dead weight tester #2

https://www.smokstak.com/forum/attachme ... 1574652406

https://www.smokstak.com/forum/attachme ... 1574652406

Ashton Valve sanitary bubbler

At the beginning of the 20th century people refreshed themselves at public fountains and all drank from the same COMMON CUP, as it was called. Well, sickness and death soon followed and Ashton Valve soon had their line of bubblers on the market.



https://www.smokstak.com/forum/attachme ... 1569867906

https://www.smokstak.com/forum/attachme ... 1569867906

An early form of a pressure gauge was a U shaped gauge. Here's a picture.



http://www.railroadforums.com/forum/ind ... 60&slide=0

I love "patent art". It's beautiful, especially the older patents. Here are some old patents courtesy of google patent. Enjoy!

https://patents.google.com/patent/US116 ... nts&page=1

https://patents.google.com/patent/US119 ... e++patents

https://patents.google.com/patent/US204 ... nts&page=1

https://patents.google.com/patent/US197 ... nts&page=2

https://patents.google.com/patent/US162 ... nts&page=3

https://patents.google.com/patent/US163 ... nts&page=4

And the link to all the pages.
https://patents.google.com/?q=steam&q=g ... e++patents

A few steam era ads.