microammeter

1953~1962

capacitor platform

1953~1962

triple beam balance

1953~1962

electric resistance box

1931~1945

Tool

National Cheng Kung University,School magazine,Editorial board

Persistence of vision machine

1953

Cork adjuster

1931~1945

power supply

1965

Common Seal Machine

1988~2015

Medal of defender, First Class

1945

precision resistor

1931~1945

Oscillography

1967

projection comparator

1953~1962

Faraday's disk dynamo

1931~1945

fixed pulley

1953~1962

CURVE PLATE

Lower, Suspension Glass

1952~1965

Ammeter

1931~1945

Glass-plate negatives