JB/106/067/001

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4o. Preservation of Uniformity & Steadiness of
Temperature

Uniformity preserved in fluids (with exception before mentioned)
applying heat at the topbottom & cold at the bottom top.
or else by machanical agitation.

Steadiness within a certain range by a successive gradation of
temperattures as before explained.- But this will require the perfect
steadiness of the two extreme point: with respect to of the lowermost we have
a sufficiently perfect means of obtaining it by ice. The highest
may be obtained by making the supply of heat from a lamp
for instance precisely equivalentequal to the expendditure: which might
easily be done after a few trials, were it not that the exxpendditure
viz, (depending of the lower temperature of the air) is variable.
this however might also be adjusted by repeated trials.

Identifier: | JB/106/067/001"JB/" can not be assigned to a declared number type with value 106.
Date_1		Marginal Summary Numbering
Box	106	Main Headings	frigidarium
Folio number	067	Info in main headings field
Image	001	Titles	preservation of uniformity & steadiness of temperature
Category	copy/fair copy sheet	Number of Pages	4
Recto/Verso	recto	Page Numbering	f4 / / /
Penner	fr4	Watermarks	pot 1796
Marginals		Paper Producer	fc6
Corrections		Paper Produced in Year	1796
Notes public	includes drawings	ID Number	34655
Box Contents