## bolograph

bolo·graph a record of variations registered by a bolometer

Origin of bolograph

*bolo-*(as in bolometer) + -graph

- The
**bolograph**thus obtained must be cleared of the absorption of the earth's atmosphere, and that of the transmitting apparatus - a spectroscope and siderostat. - If we assume that the
**bolograph**of solar energy is simply a graph of amorphous radiation from an ideal radiator, so that the con- Temperature stants cl, c 2, of Planck's formula determined terrestrially apply to it, the hyperbola of maximum intensity is XO = 2, 921 X 10 7; and as the sun's maximum intensity occurs for about X =4900, we find the absolute temperature to be 5960° abs.

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