. An encyclopædia of gardening; . figures denoting the quarter girth in feet and inches*Raising the instrument, the index end (a) is taken hold of, and the other applied to thatpart of the trunk where the girth is to be taken, opening it so wide as just to touch at thesame time both sides of it, keeping the graduated index uppermost, on which the quartergirth ^-ill be shown, allowing 1 inch in 13 for the bark. (Trans. Soc. Arts, vol. 20.) There are various other dendrometers, among which is a curious one byMonteath, which will be afterwards noticed. The above we consider as much thebest
. An encyclopædia of gardening; . figures denoting the quarter girth in feet and inches*Raising the instrument, the index end (a) is taken hold of, and the other applied to thatpart of the trunk where the girth is to be taken, opening it so wide as just to touch at thesame time both sides of it, keeping the graduated index uppermost, on which the quartergirth ^-ill be shown, allowing 1 inch in 13 for the bark. (Trans. Soc. Arts, vol. 20.) There are various other dendrometers, among which is a curious one byMonteath, which will be afterwards noticed. The above we consider as much thebest. 1365. For taking the height of a tree. Rods of deal or bamboo, seven feet long, made soas to fit into ferrules at the end of each other, tapering as in a fishing-rod, may be of them with feet marked on them would enable a man quickly to measurethe height of a trunk of more than 40 feet, as he would reach above seven feet. 1366. TJieground-comjKisses [fig. 155.) are generally made of hard wood, such as oak. 155 156 157. shod with iron, and with an iron gauge or segment (a) ; their lengdi may be six feet;they are used chiefly for laying out parterres in the ancient manner ; since, by a previous Book III. IMPLEMENTS OF GARDENING. 279 preparation of the soil, the curvilinear parts of such parterres can be described by themwith perfect accuracy. Tlie stationary foot is placed on a slip of board a few inchessquare, with a pin beneath to retain it in its place, and a lead cap above for the point ofthe foot. 1367. The borning-piece (Jig. 156.) is composed of the body (a), commonly a thin slipof board, four inches wide, half an inch thick, and four feet two inches long ; the head(6) of a similar slip of board placed across, but only eighteen inches long ; and the footis either of the same form as the head, or merely the squared end of the body (as in thefigure). The upper and under edge of the head and foot must be perfectly straight, andform right angles with the edges of
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Keywords: ., bookcentury1800, bookdecade18, booksubjectgardening, bookyear1826
