FIRST EDITION EXTRACT OF ONE OF A GROUNDBREAKING SERIES OF PAPERS (OR ‘MEMOIRS’) JOHN TYNDALL WROTE AS HE INVESTIGATED THE ABSORPTION OF RADIANT ENERGY BY GASES. In these papers he demonstrates the first quantification and demonstration that atmospheric gases are infrared emitters, in other words, that they emit heat. The..... More

Paris: Gauthier-Villars, 1876. 1st Edition. In 1876 and working independently of Maxwell, Vyshnegradsky “developed stability criteria of steam engine governors” (Engineering Department University of Illinois). His work explained “the conditions of stability [and criteria] of a steam engine equipped with a direct-action centrifugal regulator” (DSB, XIV, 105-106). As well, Vyshnegradsky’s..... More