Description

the optical glass producing undistorted views of specimens

Four-cube specific gravity set in brass

6 ohm resistance

sized for high-turn-count solenoids and transformers where the wire needs to wrap many times around a small core

allowing this tangent galvanometer to convert deflection angle into an absolute current reading

Half Glass / Half Brass Friction Rod, 0.5 x 12" Manufacturer_Eisco the optical glass producing undistortedComposite rod splitting glass and brass at its midpoint, letting students rub one half against the same cloth and compare insulator and conductor behavior in triboelectric charging.

Exchange/Return Notes

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Half Glass / Half Brass Friction Rod, 0.5 x 12" Manufacturer_Eisco the optical glass producing undistorted

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