FIRELESS LOCOMOTIVE. Dr. Emile Lamm of New Orleans whose invention of the ammonia engine was described and illustrated at page giving hie attention with very successful results to the eco nomic and absolutely safe propulsion of street cars by steam power. He was satisfied from the collected experiments of the past century that the efficiency of steam togsther with its intrinsic cheapness could not be called in question. The ob jections to its use lay first in the constant danger attending its generation in a boiler placed over an active fire ; and second in the consequent expense in curred
FIRELESS LOCOMOTIVE. Dr. Emile Lamm of New Orleans whose invention of the ammonia engine was described and illustrated at page giving hie attention with very successful results to the eco nomic and absolutely safe propulsion of street cars by steam power. He was satisfied from the collected experiments of the past century that the efficiency of steam togsther with its intrinsic cheapness could not be called in question. The ob jections to its use lay first in the constant danger attending its generation in a boiler placed over an active fire ; and second in the consequent expense in curred when such a boiler is used with a small engine doing but little work ; for the ever present danger has to be guard ed against with a care equal to that required for a much larger apparatus and a skilled attend ant must therefore be employed at a very disproportionately high price. From this he con cluded that if the danger at tending the ordinary steam en gine could be avoided entirely a skillful attendant would not be needed to diive it and the problem of working steam cheaply on a small scale would be near solution. These conclusions led him to the invention of the ' thermo specific ' or fireless locomotive present article and which is illustrated in the annexed en graving. The driving engine shown at A is a steam engine of ordina ry character and does not re quire explanation. B is simply a reservoir large enough to con tain about 300 gallons of water and leave steam room above it. It is made of steel and is well covered with non-conducting material so as to prevent the radiation of heat. Inside from end to end near its bottom runs a pipe which is perforated with numerous small holes in its periphery and which is connected with a universal coupling attached to the front of the reservoir. It is also provided with a water cock etc. steam drum and proper steam connections with the engine. The operation of the apparatus is as follows: By making suitable connections with a stationar
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