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  • Published: Leeds & Northrup Company, Philadelphia  
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Leeds & Northrup Company, Philadelphia (82)

Year

0 (29)
1927 (8)
1929 (7)
1928 (6)
1930 (4)
1912 (3)
1919 (3)
1943 (3)
1945 (3)
1944 (2)
1948 (2)
1915 (1)
1917 (1)
1925 (1)
1926 (1)
1932 (1)
1935 (1)
1942 (1)
1946 (1)
1950 (1)
1960 (1)

Thesaurus

Leeds & Northrup Company (67)
C6-A1 (67)
Electricity (60)
Galvanometers (21)
Potentiometers (12)
Electrical Instruments (10)
Scientific Instruments -- Catalogues (10)
C5-B1 (10)
Leeds & Northrup (9)
Bridges (6)
Lamps (5)
conductivity (3)
C6-B2 (3)
Thermometers (2)
Pyrometers (2)
Circuits (2)
Resistance (2)
Resistors (2)
Line testing (2)
Electricity and Magnetism (1)
Photometers (1)
Leeds and Northrup Company (1)
Industrial Equipment -- Catalogues (1)
Cables (1)
Current (1)
Lamp (1)
Leeds & Northrop Company (1)
Capacitance (1)
Capacitors (1)
Inductometer (1)
Kelvin Bridge (1)
Electrical (1)
Candle Power (1)
Rotary Converter (1)
Synchronizing Fork (1)
Ion Concentrations (1)
Testing Instruments (1)
C5-A3 (1)
C5-B2 (1)
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Apparatus for Electrical Resistance Measurements: Catalog 40

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Apparatus for Capacitance, Inductance, and Magnetic Measurements: Catalog 10

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Galvanometers: Catalog 20

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Keys and Switches: Catalog 30

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Apparatus for Electrical Resistance Measurements: Catalog 40

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Apparatus for Electrolytic Conductivity Measurements: Catalog 48

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Photometers: Catalog 60

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Apparatus for Hydrogen Ion Concentration Measurements: Catalog 75

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Resistance Thermometers: Catalog 80

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Optical Pyrometers: Catalog 86

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Potentiometer Pyrometers: Catalog 87

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Industrial Plant Equipment

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