id	author	title	date	pages	extension	mime	words	sentences	flesch	summary	cache	txt
13401	Various	Scientific American Supplement, No. 520, December 19, 1885			.txt	text/plain	34413	1749	71	I. ENGINEERING, ETC.--Steel Structures.--Best use of different A Gas Engine Water Supply Alarm.--1 figure. water, I found a small engine worked by the direct pressure of the gas as estimated that the iron and steel mills of the city proper require fuel coal is equal in its heating power to 1,000 cubic feet of natural gas. heating power of gas and coal no account is of course taken of the loss A GAS-ENGINE WATER-SUPPLY ALARM. failure of the water supply to a gas-engine has been arranged by aqueducts sufficed for the supply of Rome with water for about 120 years, carried the water down into the valley, probably by means of lead pipes, the most remarkable aqueduct of ancient times, an engineering work which, of a strong, water-tight vessel of iron or steel, which contains a large During the years 1858-60 Meucci constructed the instrument shown in Fig. 7.	./cache/13401.txt	./txt/13401.txt