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Theodolite for the observation of artificial satellites |
 ,  |
Thermal Voltmeter (0-120 Volt) |
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Thermoelectric element |
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Thermoelectric magnet |
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Thermoelectric Pyrheliometer |
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Thermogravimetric methods |
 ,  |
Thermoscope after Looser |
 ,  |
Thermoscope after Looser |
 ,  ,  ,  ,  |
Thomson Double Bridge |
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Toothed wheel interrupter |
