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Machinery Photo Index
Manufactured/Badged by:
Ashton Valve Co.
Boston, MA; Cambridge, MA
True Manufacturer:
Ashton Valve Co.
,
Boston, MA; Cambridge, MA
Machine Specifications
Machine Class:
Steam and Gas Engines
Machine Type:
Other
Machine Size:
5"
Submitted By:
Rick Ashton
Machine Specifications
Description/Model:
Ashton quadroplex air brake gauge
Date of Manufacturer:
possibly 1930's
Serial Number:
Last Updated
5/2/2020 10:20:14 PM
Comments:
This quadruplex gauge allowed 4 different train pressures to be observed at the same time. It was available with or without a built in light.
Photo 1:
Comments:
Quadruplex air brake gauge
Source:
personal collection
Direct Link
IMG Code
Photo 2:
Comments:
1920's catalog
Source:
personal collection
Direct Link
IMG Code
Photo 3:
Comments:
5" quadruplex air brake gauge
Source:
Proceedings of the Air Brake Assoc 1922
Direct Link
IMG Code
Photo 4:
Comments:
Train shed cyclopedia #40 part 1
Source:
personal collection
Direct Link
IMG Code
Photo 5:
Comments:
1930 mechanical drawing
Source:
Norfolk and Western Historical Society
Direct Link
IMG Code
Photo 6:
Comments:
patent 2,137,972
Source:
google patents
Direct Link
IMG Code