348 



ANNUAL REGISTER, 1Y94. 



not succeed. Where the flowing 

 tide, the varying swell, the crescen- 

 do is wanting, colours must everre- 

 niain hard, cold," and inanimate 

 masses. 



I am very sorry that my more se- 

 rious occupations do not at present 

 permit me to pursue these most en- 

 tertaining i-nquiries. Perhaps at 

 some future period I may findleisure 

 to resume them. 



I am, &c. 

 Munich, 1st March, IjgS. 



Specification of the patent granted to 

 Joseph Greene, of JVeflhiU, in the 

 parish of JVandsivorth, Surrey, 

 gentleman ; for his invention and 

 method of warming rooms, and 

 tuildtngs, tilth hot air of a more 

 pureqj(aUty than has hitherto been 

 used. From the Repertory of Arts 

 and Manufactures. 



Dated December 9, 1/93. 



TO all to whom these presents 

 shall come, &c. &c. Now 

 know ye, that I, the said Joseph 

 Greene, in pursuance of, and in 

 compliance with, the said proviso 

 in the said letters patent, do hereby 

 describe and ascertain the nature of 

 the said invention, and in what 

 manner the same is to be perform- 

 ed, as follows, that is to say, the 

 principle on which my invention is 

 founded is the heating- air, for the 

 purpose of warming buildings, by 

 means of hollow vessels, or pipes, 

 immersed in hot water or steam, 

 whereby too great a degree of heat 

 is avoided, and the air remains un- 

 bnrnt, and fit for respiration ; and 

 I provide a boiler made of iron, 

 copper, or other fit materials, with 

 a co\er fastened thereto. Within 



the boiler I fix a hollow vessel or 

 worm, and sometimes several such 

 vessels or worms, made of lead, cop- 

 per, earthenware, or other proper 

 m.Uerials ; and into each of these 

 hollow vcsselsor worms I introduce 

 the external or open air, by (he 

 medium of a pipe, which I make 

 to pass through a convenient part 

 of the boiler, firmly soldered or ce- 

 mented into it J and which pipe I 

 communicate with the said vessil'i 

 or v.orms. The boiler may be fixed 

 in the ordinary manner in any of 

 the lower apartments, or other con- 

 venient part of the house or build- 

 ings ; or it may be fixed behind a 

 stove or grate, so as to be heated by j 

 means of a common fire, in any (jf I 

 the rooms, and the size of it should 

 be regulated by the extent of tbs 

 building proposed to be warmed. 

 From the hollow vessels or worms 

 above-mentioned, pipes of any of 

 the above-mentioned materials are 

 fixed and carried in the most con- 

 venient manner, to the different ' 

 roomsj or parts of the buildings, to 

 which the warm air is to be con- 

 veyed. To these pipes are fixed 

 cocks or sliders, in order to admit 

 or prevent the introduction of the 

 warm air intoaiiy particular room or 

 place; and in some convenient part 

 of (he pipes I place a shifting valve, 

 or self-acting cock, to prevent the 

 bursting of the boiler, or pipes, by 

 (he force of the steam. The boiler 

 being in part filled with water, a 

 fire IS lighted in the furnace, and 

 the water made to boil, or brought 

 to such a degree of heat as may be 

 found necessary; by this heat (he air 

 contained in the hollow vessels or 

 worms before-mentioned, being ra- 

 rifiedand warmed, will ascend, and 

 is to be admitted, by means of the 

 above-nicutioned cocks or sliders, 



or 



