4

Kalendariuw Hor ten fe.

5 - The Air Ground-pipe, laid the whole length of the Green-houste,in the middle of the Floor, a little under the Ground or Pave-ment thereof; and reaching from end to end.' n '

6. 'The Hole, or Opening at the end of the Ground-pipe, opposite to

th e Stove end; which Hole is to be left open, or govcrn’d with its’Register, to attemper the Air, which entring.by the Furnace*

‘ pipes, circulates through This to the Grate of the Stove, andblowing the Fire, issues out of the Funnel ! 1 ' u ’ 7 "

7. The Thermometer hanging over the Nose of the Ground-pipe'hv

which to govern the Heat. ? ' 1

FIGURE II. -

. 1 , .. ,-jj>

E. Represents the Furnace At.r-pipes, and how they. aye placed to pqsethrough the Fire and Brick-work, with the Projecture of their.Noses, to ,,take frelh Air from without, and carry it into theHouse. s; ’VvvlAV". ' • q • . r, -}

a. a. The Frame, or Square of Brick-work, on which they lie hori-zontally to receive the Heat of the Fire.b.b. The Air-pipes.. A' r • tr

c c c c c c. The Noses pf. the “Pipes projecting beyond the Brickwork

both without and within.

figure in.

4^ \ li'.u —■ ^

1 . . >ViA

VkAWl

’NNr')

-:st

a-v.iWb>h-

F. Represents the whole -Stove or Furnace.

a. The AJh-hole. ♦

b. The Fire-grate. 0 F ,

c c c. The Projection of the-Air-pip es which pass thorough the"

nace, and Green-hou/e.Tn^-via.ll, into the Hoqse. ^ ! V N\\v.v Bd d. The Air-pipes to be seen a!s they pass through the Fuhtarst'^e. The Funnel dr ShasttN s -. .

f st Part of the End-whlP of the Green-houste, thorough whidi'tlAir-pipes pals, and project their Noses. . .. ^

'y ' > N A " ' l

» jy j ' - y V >

figure iv.

ie

G. Represents the AJh-hearth.a. The Astro bole. _ . ■.

b b. One of the Ends of the Floor-pipe , turning up, and inserted in-to the AJh-hearth , within*a little of the Grate. }

c c. The Ground at Floor-pipe, communicating with the inserted Pipe b b.d d. The Fire-grate. st

e. The Register at the othey pyid of the Gr&md-pipo,' >

. Thus the frelh Air entring perpetually thorough the heated Ear-. then-Pipes into the Constervatory, and as constantly t circulating tho-• rough the Orifice of the Floor-pipe, will give continual Supply of•qualified Air and Nutrition to the Plants, as far, as concerns that- Element ; and as they are .placed nearer r pr farther from the Noses of. the Stove-pipes , enjoy the several Climates amj Degrees of Warmth. which shall be found most natural and agreeable to. them.

.. . / . ^ v • .V si '

* ' The

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