This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1901 Excerpt: ...figures of the German Government only take into account the differences in temperature on either side of the transmitting material, with empirical allowances for undue exposure and wind effect. Although very variable, the climate of New York does not present very extensive ranges of temperature. The heating season usually commences late in October, the mean temperature during that month being about 54, and lasts for 5? months. The following are the mean temperatures for the winter months:--November 43, December 33 January 30 Average 36. February 36 March 88; The average temperature during April is 49. As the standard interior temperature in this climate is 70, the average work of heating is represented by an addition of 34 to all losses by radiation from the buildiDg and by...