ces. The broad principle on which such might even be put out. For whatever causes would tend to sible remarks, the gist of which is as follows: considerable economy may be effected is easily seen when we If there is one department of engineering receiving more reduce the temperature of the escaping… … pairs,as the plates, beg always ex- effected. posed to the water, are less likely to be- TWIBILL’S FUEL ECONOM.ZER, It is a difficult matter to decide im- come leaky. The ioventor uses quad- that it can only be permitted to reduce the temperature of mediately what description of boiler should be…
Internet Archive · Public domain (published before 1931). Free to use for anything.
