Celebrating 100 Years Est. 1911

Construction Equipment

Distribution Maintenance (2008)

Distribution Maintenance (2008)

Chatham Line Sarnia (1951) 

Chatham Line Sarnia (1951)

Detroit River Crossing (1948) 

Detroit River Crossing (1948)

Distribution Maintenance (1950) 

Distribution Maintenance (1950)

General Motors Line rail crossing (1950) 

General Motors Line rail crossing (1950)

Bickford Line river crossing. Sombra Township, ON (1956) 

Bickford Line river crossing. Sombra Township, ON (1956)

Thames River crossing (1948) 

Thames River Crossing (1948)

Core sample 

Core Sample

A core sample from an underground natural gas storage pool at the Dawn Hub.
View a 360 animation of a core sample
Wooden log 

Wooden Log

In 1823 hollowed out logs of variable lengths were used to transport manufactured gas.
View a 360 animation of a wooden log
Short & Mason Thermometer & Relative Humidity Meter 37 (1969) 

Short & Mason Thermometer & Relative Humidity Meter 37 (1969)

This Chart No. 37 Serial No. D1861 meter could measure Temperature 0 - 100'F and Relative Humidity 0-100% r.h. c/w 2 ink bottles, 2 ink applicator stoppers. The Thermograph chart is printed in red ink on off white paper.
Short & Mason Thermometer & Relative Humidity Meter 37 (1969) 

Short & Mason Thermometer & Relative Humidity Meter 37 (1969)

Core sample 

Core Sample

Variety of pipe sizes 

Variety of pipe sizes

Wooden log (around 1823) 

Wooden Log (Around 1823)

Hollowed out logs of variable lengths were used to transport manufactured gas. They were milled to have a male end and were wound with spirals of loosely spaced iron bands as well as coated on the outside with asphalt or similar bituminous substance.
30B American meter 

30B American Meter

50 ft3/hr. Meter repaired at Union Gas from 1930's until 1970's. By today's standards, it would have been used in a small commercial application.
25B American meter 

25B American Meter

400 ft3/hr. Meter repaired at Union Gas from 1930's to 1970's. Used when heaters required on high pressure stations.
Rockwell Roto Seal Rotary meter 

Rockwell Roto Seal Rotary Meter

Cast Iron, EQU/W Volume/pressure recorder. Very limited use at Union Gas.
Rockwell RC1000 meter 

Rockwell RC1000 meter

Still used at Union Gas today
Canadian Meter water pressure temperature recorder 

Canadian Meter Water Pressure Temperature Recorder

The water pressure temperature recorder was adaptable to different manufacturers' meters through mechanical linkage. Used by Union Gas during 1950's, 60's and 70's.
Canadian Meter water pressure temperature recorder (close-up) 

Canadian Meter Water Pressure Temperature Recorder (Close-up)

Tobey meter 

Tobey Meter

The Tobey Meter was developed in 1891. Cast Iron Meter with 3 leather diaphragms and available in 4 sizes. This is an example of second smallest.
American 5B Iron Case 

American 5B Iron Case

First developed in 1889 by Metric Metal Co. in Pennsylvania. It has 2 leather diaphragms (standard meter configuration) and was used and repaired at Union Gas until Mid 1970.
Tobey 

Tobey

Tobey was a small residential meter used and repaired by Union Gas.
Canadian/American Aluminum Body Rotary meter 

Canadian/American Aluminum Body Rotary Meter

Limited use at Union Gas.
American Tin Case meter 

American Tin Case Meter

American Tin Case Meter was first developed in 1905. 5B (or 5 light) residential meter popular with Union Gas and used through the 1960's. (Note: wax Government Inspection Seal)
American Tin Case meter (close-up) 

American Tin Case Meter (Close Up)

Bristol 12 hour pressure recorder 

Bristol 12 hour Pressure Recorder

Used to test for leaks on new pipe installations in 1930's. Used in field by an inspector.
Bristol 12 hour pressure recorder (close-up) 

Bristol 12 hour Pressure Recorder (Close Up)

Chandler Dead Weight Tester 

Chandler Dead Weight Tester

They are used to measure the pressure exerted by a gas and generate a test pressure for the calibration of pressure gauges, electronic pressure calibrators, transducers, transmitters, records, etc.
Chandler Dead weight tester (close-up) 

Chandler Dead Weight Tester (Close Up)

No other device can match the stability, repeatability and accuracy of the deadweight tester. Accuracy - 0.05% of indicated pressure, traceable to the National Institute of Standard and Technology (NIST). Weight, 80 pounds. Used in field testing.
Temperature compensated tangent 

Temperature Compensated Tangent

Temperature Compensated Tangent from a large diaphragm Rockwell Meter approx. 1975 - 2000. From an RC10000 which was the largest diaphragm meter made by Rockwell used in commercial applications, eg. Churches, Schools, etc.
Dresser temperature compensated mechanical counter for rotary meters 

Dresser Temperature Compensated Mechanical Counter for Rotary Meters

Repaired at Union Gas beginning in 1970's and are now replaced with electronic modules.
Parlour meter (American meter) 

Parlour Meter (American Meter)

First "dry meter" used in mid 1800's with viewing windows to enable customers to see how they worked. This was an indoor meter usually installed in the homes of affluent people to "show off" having natural gas service and are often highly decorative.
Display Model of Modern AL225 meter 

Display Model of Modern AL225 meter

It widely used by Union Gas from 1950 as a residential meter. Model number has changed to ACM250 and is still used today. It consists of an aluminum case, rubber diaphragm and temperature compensation was added in 1975.
American meter WI-45 

American Meter WI-45

American Meter WI-45, 45 cu. Ft./hr. 1960 demo meter. Not used at Union Gas. An example of a very small meter for use in a residential setting.
American meter WI-45 (close-up) 

American Meter WI-45 (Close Up)

Smith meter 

Smith Meter

ARKLA.V250 3 chamber rotary valve 

ARKLA.V250 3 Chamber Rotary Valve

It has an aluminum case and was not used by Union Gas for residential meters.
Schlumberger (formerly Sprague) SL-250 tin case residential meter 

Schlumberger (formerly Sprague) SL-250 Tin Case Residential Meter

This was not used by Union Gas.
Superior Steel cased meter 

Superior Steel Cased Meter

The superior steel cased meter was an older version and probably not used by Union Gas. Newer versions with aluminum cases were used at Union Gas.
American Meter orifice plate 

American Meter Orifice Plate

Stainless Steel used to measure large volumes of gas in pipelines, where there was constant flow pressure.
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