Standard Cadmium Cell

1931~1945

electric resistance box

1931~1945

Dry Gelatin Plates－Zeng Qin Xi family's portrait

1895~1945

fixed pulley

1953~1962

Rotational inertia apparatus

1968~1968

Empty wooden box

1953~1962

Torsion balance

1953~1962

microbalance

1953~1962

torsion balance

1953~1962

cover of torsion balance

1953~1962

A model aircraft of Wong Tsoo's C MODEL

2016

Font

CURVE PLATE

teaching aids of polarizer

1953~1962

Ballistic pendulum

1953~1962

mercury thermometer

1953~1962

Medal of defender, First Class

1945

Lecture-table Galvanometer

1953~1962

Torsion balance

1953~1962

Millivoltmeter

1931~1945