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I.C. regulated power supply

I.C. regulated power supply

Power supply for teaching (senior middle school)

Power supply for teaching (senior middle school)

Projection Galvanometer

Projection Galvanometer

DC Voltmeter

DC Voltmeter

Arrow Voltmeter 3V-15V

Arrow Voltmeter 3V-15V

Teaching Q meter(High frequency)

Teaching Q meter(High frequency)

Teaching sweeper

Teaching sweeper

Demonstrator of common capacitor

Demonstrator of common capacitor

Microcurrent Amplifier

Microcurrent Amplifier

Student oscillograph

Student oscillograph

Sliding Rheostat 200ohm

Sliding Rheostat 200ohm

Gear Function Sliding Action

Gear Function Sliding Action

Power supply for students (senior middle school)

Power supply for students (senior middle school)

The hand generator

The hand generator

Safety isolating transformer

Safety isolating transformer

Simple resistor

Simple resistor

Sliding Rheostat

Sliding Rheostat

Expemental device of rectification circuit

Expemental device of rectification circuit

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