Tantalus
cup
Telephone station plant
Tesla
. Apparatus for high frequency
Tesla's
transformer
Theodolite
Thermoelectric couple
Thermoionic tube
Thomson
. Inductive repulsion
Toothed wheel interrupter
Top
Torsional pendulum
Transformer
Tube with cross
Tuning-fork on resonance-box
Tyndall's apparatus
Tyndall's tube