186 



TRANSACTIONS OF THE 

 MACHINERY No. 10. 



GAS, ELECTRIC MACHINERY, &c. 



McDougall'8 Portable Benzole Gas Machine. 



S. T. McDougall, 335 Broadway, New-York. 



The above cut exhibits the appearance externally of the machine 

 for the production of gas from Benzole and other hydro-carbons. 



The attention of the public is invited to the following conside- 

 rations and proofs in favor of this useful discovery, as a substitute 

 for all other modes of lighting dwellings, stores, factories, and 

 other buildings where light is needed. The size of the machine 

 necessary for a supply of gas sufficient to light a common dwelling 

 is such, that it will not occupy a space of more than two or three 

 feet square. 



The cut represents the whole apparatus, propelled by a weight 

 attached, which winds up like a clocks and thus wound up and 



