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Edmonton Power History Foundation Blog

Category: Instruments
Results: 11 to 18 of 18

General Electric Alternating Current Ammeter



General Electric Alternating current ammeter circa 1914, with a mirrored scale for reading accuracy, manufactured after 1914. Prior to 1914 the Thomson name was on most GE measuring equipment nameplates. 

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Categories: Instruments Collection
Tags: Meters

Frequency Chart Recorder



Electrical power in North America is generated at 60 cycles per per second A Micromax recorder similar to this one built by Leads & Northrup was used in both Rossdale and Clover Bar generating Stations this particular instrument is from the old Celanese ...

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Interactive Model AC Generator & Weston Meter



This little model illustrates how moving a magnet past a coil of wire produces electricity. This fundamental technology of converting mechanical energy into electrical energy, first demonstrated by Michael Faraday in 1832, underpins virtually every type ...

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Vintage Electric Meter Display

Polyphase Kilowatt Hour Meter (sidebar)



Floor display of vintage commercial/industrial/residential Watt Hour, VAR, Voltmeters, Ammeters, Consumption, 3 Phase, 1 Phase revenue meters, manufactured by Sangamo, GE, Westinghouse, Reyrolle, Weston,

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Categories: Instruments Collection
Tags: Meters

Hydrogen Panel Display

This panel was built to simulate the hydrogen cabinet used on No. 9 and 10 Parsons generators



The cabinet was used to control the cooling medium (hydrogen) within the Generator Consisted of 4 Gauges for: Hydrogen Temperature Seal oil pressure Hydrogen Pressure Carbon Dioxide Pressure Alarm panel Hydrogen Purity Meter Flow Meter AC and DC seal ...

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Direct Current Rectifier Panel

Circa 1936 this Panel was utilized in the operation of Edmonton's trolley Buses




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Impedance Bridge

Circa 1960's



Impedance bridge theory developed in 1830's and in the 1840's Charles Wheatstone improved it for accurate resistive/impedance testing. Note "magic eye" tube lower center.

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Categories: Instruments Collection

Boiler Pressure Gauge

1932



The Boiler Pressure Gauge indicated the steam pressure within the boiler drum. The gauge was located 15 feet above the operating floor and clearly visible from the firing aisle. Manufacturer: The JAS Morgan Brass Manufacturing Company Ltd. Type: Bourden ...

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Tags: Gauges

Edmonton Power Historical Foundation

Location: 

We are located on the grounds of the Leduc West Antique Museum. Travel 5 km west of Leduc on Highway 39. Go north on Range Road 260 (Cohne Dale Road) for about 800 metres and the museum will be on your right. If you're coming from the west, Cohne Dale Road is 5km east of Highway 60.

Hours of operation 2025

This year, in partnership with the Edmonton & District Historical Society, and their Historic Festival & Doors Open event (https://historicedmonton.ca/events/historic-festival/historic-festival-2025 ) we will be open on Saturday, July 12 from 10 AM until 4 PM.

If, however, you are interested in a private tour, just leave a message on this website and we'll do our best to arrange a time for you to come out.
Exhibition dates remaining for 2025 are the the Annual Exposition on July 19 & 20, the Fall Harvest on September 6 & 7 and the Lesco Truck Show on September 19th and 20th. Watch this space!

 

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