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. pcriments on that Element demonstrated) the TraSlice ib little. chargeable, and the Benefit of so great Concernment to our Gar-

• diner.

. In deledbing this, I shall not need to say any thing concerning

• the necessary Dimensions, or Ornaments of the Structure: Every ex-

. pericnc’d Gardiner will consider, that of whatsoever Length his. Green-honse be, the Depth should not much exceed twelve or thir-teen Feet, (though as our is, and may be contriv’d, it may

. b e 0 f much greater Capacity ) nor the Height above ten or eleven at. m0 {l: That being plac'd at the most advantageous Exposure to the. Sun ; that Side be made to open with large and ample Windows or. Chaises, ( for Light it self, next to Air, is o£ wonderful Impor-. t an ce) the Joints , and Glazing accurately fitted, and cemented;. A n d (to the end, that having occasion at any time to go into the

• House, no crude Air ruih in ) I add, That it were convenient a. ‘Porch were so made, that the Door of it may shut very close after. the Gardiner , before he open the Green-houfe Door, which he is to. {but again at his going out, before he open the Door of the Porch at. which he entred from abroad : And this may be eontriv’d to a small. Wicket, at the end of the Green-houfe, without being oblig’d to. open any of the larger Valves and double Doors without Necessity.. This Work of the Doors, Windows , and Torch requiring good. fealon’d Stuff, and a skilful W orkman, I pass to the Explanation of

• the following Table.

• At one of the Ends of the Conservatory or Green-houfe ( 'tis not. material whether the East or West) erect on the out-side Wall your. Stove , be it of Brick , or (which I prefer) of Rygate-St one, built. Square, of the ordinary Size of a plain single Furnace, (such as

• Chymists use in their Laboratories for common Operations) consist-. Jng of a Fire-hearth, and an Ajh-hole only; which need not take up. above two Feet from Out to Out: Let it be yet so.built, that the. Fire-grate stand about three Feet higher than the Floor or Area of

• of the Houses The Flue, Shaft , Fire', arid Afh-hole to be without,. though joining close to the End-wall, as in Figure L which repre-. scuts the Conservatories Inside/with the South fide quite open/and' Stove abroad in the Air.

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