A comparison of stellar radiometers and radiometric measurements on 110 stars (1915)
Coblentz, W.W. · National Bureau of Standards · leaf 16
he telescope, L, after arrival on Mount Hamilton. It may be added that the resistance of the fine platinum wireused is very high (2 to 3 ohms per millimeter), but a length of onlyabout 1.5 mm. of platinum wire is required. The platinum wire isattached to a piece of silver wire 0.0165 mm. in… … Fig. 3.—Stellar thermocouples mounted in an evacuated glass container
Stars
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