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- General Electric Type IP-5 Prepayment Wattmeter, 1916-1926 -

- 1916-1926
- Collections - Artifact
General Electric Type IP-5 Prepayment Wattmeter, 1916-1926
- Fort Wayne Type K Wattmeter, circa 1903 - In the late 1800s, companies that supplied electricity to consumers needed a way to measure how much customers used -- and then charge them accordingly. Inventive electrical engineers developed various methods to measure electric power. Induction meters that employed magnetic fields to rotate a disc or cylinder to register energy usage would become the standard. Continued improvements made these wattmeters more compact and reliable.

- circa 1903
- Collections - Artifact
Fort Wayne Type K Wattmeter, circa 1903
In the late 1800s, companies that supplied electricity to consumers needed a way to measure how much customers used -- and then charge them accordingly. Inventive electrical engineers developed various methods to measure electric power. Induction meters that employed magnetic fields to rotate a disc or cylinder to register energy usage would become the standard. Continued improvements made these wattmeters more compact and reliable.
- Fort Wayne Wood Ammeter, 1895 - In the late 1800s and early 1900s, companies that supplied electricity to consumers needed a variety of instruments to regulate and monitor electrical output. These instruments were vital to the operation of power stations and needed to be accurate and rugged. Ammeters--used to measure the current in a circuit--could be found on switchboards or connected to motors and generators.

- December 02, 1895
- Collections - Artifact
Fort Wayne Wood Ammeter, 1895
In the late 1800s and early 1900s, companies that supplied electricity to consumers needed a variety of instruments to regulate and monitor electrical output. These instruments were vital to the operation of power stations and needed to be accurate and rugged. Ammeters--used to measure the current in a circuit--could be found on switchboards or connected to motors and generators.
- Fort Wayne Wood Ammeter, 1899-1911 - In the late 1800s and early 1900s, companies that supplied electricity to consumers needed a variety of instruments to regulate and monitor electrical output. These instruments were vital to the operation of power stations and needed to be accurate and rugged. Ammeters--used to measure the current in a circuit--could be found on switchboards or connected to motors and generators.

- 1899-1911
- Collections - Artifact
Fort Wayne Wood Ammeter, 1899-1911
In the late 1800s and early 1900s, companies that supplied electricity to consumers needed a variety of instruments to regulate and monitor electrical output. These instruments were vital to the operation of power stations and needed to be accurate and rugged. Ammeters--used to measure the current in a circuit--could be found on switchboards or connected to motors and generators.
- Fort Wayne Wood Ammeter, 1902-1905 - In the late 1800s and early 1900s, companies that supplied electricity to consumers needed a variety of instruments to regulate and monitor electrical output. These instruments were vital to the operation of power stations and needed to be accurate and rugged. Ammeters--used to measure the current in a circuit--could be found on switchboards or connected to motors and generators.

- 1902-1905
- Collections - Artifact
Fort Wayne Wood Ammeter, 1902-1905
In the late 1800s and early 1900s, companies that supplied electricity to consumers needed a variety of instruments to regulate and monitor electrical output. These instruments were vital to the operation of power stations and needed to be accurate and rugged. Ammeters--used to measure the current in a circuit--could be found on switchboards or connected to motors and generators.
- "A Letter from Mr. Bowser," S.F. Bowser & Company, Fort Wayne, Indiana, circa 1916 -

- circa 1916
- Collections - Artifact
"A Letter from Mr. Bowser," S.F. Bowser & Company, Fort Wayne, Indiana, circa 1916
- Slattery Induction System Meter, 1888-1892 -

- 1888-1892
- Collections - Artifact
Slattery Induction System Meter, 1888-1892
- Fort Wayne Type K Wattmeter, 1901-1908 - In the late 1800s, companies that supplied electricity to consumers needed a way to measure how much customers used -- and then charge them accordingly. Inventive electrical engineers developed various methods to measure electric power. Induction meters that employed magnetic fields to rotate a disc or cylinder to register energy usage would become the standard. Continued improvements made these wattmeters more compact and reliable.

- 1901-1908
- Collections - Artifact
Fort Wayne Type K Wattmeter, 1901-1908
In the late 1800s, companies that supplied electricity to consumers needed a way to measure how much customers used -- and then charge them accordingly. Inventive electrical engineers developed various methods to measure electric power. Induction meters that employed magnetic fields to rotate a disc or cylinder to register energy usage would become the standard. Continued improvements made these wattmeters more compact and reliable.
- Fort Wayne Duncan Wattmeter, 1896-1899 - In the late 1800s, companies that supplied electricity to consumers needed a way to measure how much customers used--and then charge them accordingly. Thomas Duncan developed wattmeters for several companies before starting his own meter manufacturing business in 1901. This induction-type wattmeter was developed for the Fort Wayne Electric Works in the late 1890s.

- 1896-1899
- Collections - Artifact
Fort Wayne Duncan Wattmeter, 1896-1899
In the late 1800s, companies that supplied electricity to consumers needed a way to measure how much customers used--and then charge them accordingly. Thomas Duncan developed wattmeters for several companies before starting his own meter manufacturing business in 1901. This induction-type wattmeter was developed for the Fort Wayne Electric Works in the late 1890s.
- Fort Wayne Type W Wattmeter, circa 1905 - In the late 1800s, companies that supplied electricity to consumers needed a way to measure how much customers used -- and then charge them accordingly. Inventive electrical engineers developed various methods to measure electric power. Induction meters that employed magnetic fields to rotate a disc or cylinder to register energy usage would become the standard. Continued improvements made these wattmeters more compact and reliable.

- circa 1905
- Collections - Artifact
Fort Wayne Type W Wattmeter, circa 1905
In the late 1800s, companies that supplied electricity to consumers needed a way to measure how much customers used -- and then charge them accordingly. Inventive electrical engineers developed various methods to measure electric power. Induction meters that employed magnetic fields to rotate a disc or cylinder to register energy usage would become the standard. Continued improvements made these wattmeters more compact and reliable.