id	author	title	date	pages	extension	mime	words	sentences	flesch	summary	cache	txt
work_6njcrn4grvckphbhkppjnzthqu	W. DE W. ABNEY	Photography of the Red and Ultra-Red End of the Spectrum	1876	1	.pdf	application/pdf	1356	51	57	The method employed in the results hitherto tabulated and presented with the paper is by The readings of the instrument have been compared of the instrument is also effected by means of a spiral The chief disturbing element in the use of this instrument is the effect of latitude, which will have to be ascertained approximately before its readings can be accepted depth, to be tabulated for use with the instrument. taking, in fact, the form of a dry plate, is always most by the silver nitrate solution, and not really from an increased sensitiveness of the compound salts when dry. is generally less suitable than if it contain a certain quantity of nilro-glucose, or other similar body ; and it frequently happens if this be absent entirely that the photographic spectrum will stop short near b. collodion, are presented to the action of the spectrum, PHOTOGRAPHY OF THE RED AND ULTRA-RED END OF THE SPECTRUM	./cache/work_6njcrn4grvckphbhkppjnzthqu.pdf	./txt/work_6njcrn4grvckphbhkppjnzthqu.txt