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Spectrophotometer	High Voltage electro	Tape Pulse Recorder	Neutron Probe
Oscilloscope	DHM, R-122	Demokritos	Metrix
Man Werk Augsburg	Sextant	Google verification	W.D. Nicholson Ltd.
Specific charge of e	Galvanometer Weston	Electric machine aft	Galvanometer
Galvanometer	Spark coil	Resistance box	Ducretet