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Photo Cell : Vacuum type mounted in the wooden box with aperture for light and filters. |
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| 071 Diode Valve Char. Appts. with Stabilized power supply : |
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Diode Valve Char. Appts. with Stabilized power supply :-
0-300VDC/30mA continously variable Stabilized power supply,6.3 VAC/2Amp continously variable supply for filament, two roundmeters for voltage and current measurement, valve diagram is engraved, connections brought out at terminals, diode valve 6H6 and one socket is provided for valve. |
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| 072 Triode Valve Char. Appts. with Stabilized power supply : |
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Triode Valve Char. Appts. with Stabilized power supply :-
0-300VDC/30mA continously variable Stabilized power supply, 6.3 VAC/2Amp supply for filament, 0-25VDC continuously variable power supply for Grid, three round meters for Anode voltage, Anode current and Grid Voltage measurement, valve diagram is engraved, connections are brought out at terminals, Triode valve 6J5 and one socket is provided for valve. |
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| 072A Transistor Characteristics Apparatus: |
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Transistor Characteristics Apparatus: with Regulated Power supplies, 2 DC Regulated Short circuit & Over load protected continously variable Power suppliers, four round meters, one PNP & one NPN Transistor mounted behind the panel & connections
brought out at terminals |
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| 072B e/m by Thomson Method : |
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e/m by Thomson Method : High voltage power supply with internsity, focus, deflection controls, One meter is provided for deflection voltage & 1 socket is mounted on the front panel to connect to the CRT. Three Wooden swtands for CRT, Compass box & set of strong elico Magnets |
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Fly Wheel : 20cm in dia. and 4.5 cm thick wheel turned true and carefully blanced, mounted horizontal shaft held in ball bearings. The bracket has four holes and can be fixed to the wall also. Without revolution counter regular quality |
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Inertia Disc : A brass disc of 150mm dia. and 6mm thickness with 2 holes for chuck, one in the centre and other along with the edge of the disc |
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Intertia Disc : Brass C.R. with arm length or dia. Appr. 150mm thickness 6mm, in different shapes.
a)Triangular
b)Rectangular
c)Round
d)Pentagon |
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| 076 Hook's Law Apparatus : |
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Hook's Law Apparatus : Fitted on stand with mirror scale and hangerbut without weights. |
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| 077 Hook's Law Apparatus : |
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Hook's Law Apparatus : Improved design superior. |
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