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Laminated metal stripe, steel and zinc

Bismer decimal balance

Toepler's apparatus for demonstrating how magnetic curves are produced between the poles of an electromagnet

Standard tuning fork, 870 s. v.

Pile of thin glass plates with fitting

De la Rive's apparatus for showing rotation of electric current round an electromagnet

Large decimal balance

Crookes' radiant matter tube

Crookes' radiant matter tube

Precision rheostat with pegs