ht friction caused by the if one side of all the thermocouples remained per- blunt pivots. These blunt pivots are known as "air- manently connected to the indicator. plane pivots." The electrical indicator.—A face view of two electrical The elect rical indicator must be magnetically shielded… … for the positive temperature coefficient of resistance of Figure 5.—Two engine-cylinder thermometer indicators. the copper in the moving coil. Tests and performance of indicators.—The errors in diameter. Attached to the rear of the cases are ter- minals for connecting the thermocouple leads.…
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