Royal Society. 24.^ 
In order to preferve fruit and flowers, take faltpetre one 
pound, bole-armoniac two pounds, common clean land three 
pounds; mix all together, and obferve this proportion in other 
cjuantities: Then in dry weather, take fruit of any fort, which 
is not fully ripe, each with its (talk j put them one by one into 
an open glafs, till it is full, and then cover it with an oiled 
cloth, clofe tied down; then put each of thefe glafles four 
fingers under ground in a dry cellar, and in fuch a manner, 
that quite round each glafs, and both above and below, there 
may remain two fingers thick of the faid mixture. Plowers 
may alfo be managed in the fame manner. 
^ Method of meafuring the Height of the Mercury in the 
Barometer, hy a Circle on one of the Weather Elates % 
ly Mr. Will. Derham. Phil. Tranf. N° 237. p. 45. 
A A, Fig. 3. Plate VII. is a ruler with teeth on one of its 
edges, made to flide up and down; h a fmall index, fixt 
to the ruler, to be raifed or depreffed, till it point exactly to 
the height of the mercury ; C C C C the index-wheel, with jull 
as many teeth as there are teeth in an inch of the Aiding ruler 5 
fo that moving up and down this toothed ruler, you may at 
every inch turn the index once round; DDDD is a circle 
divided into rco parts, anfwering to 100 parts of an inch on 
the fliding ruler; ee the index, which, being faftened to the 
arbor of the index-wheel, is driven round with ir, and fhewson 
the circle the parts of an inch, which the mercury rifes or falls 
in the tube. 
^he Cure for the Bite of a Mad Dog ; hy Mr. Geo. Dampier. 
Phil. Tranf. N° 237. p. 49. 
TH E herb is the Lichen cinereus terreftris, defcribed by 
Mr. R^iy ; it grows commonly in barren places all over 
£nglandy and very clofe to the ground ; to ufe it, you muft 
dry it either in an oven, by the fire, or in the fun; then pow- 
der it, and pafs it thro' a fearce, and this mixed with pepper, 
finely ground, h the compofition; the dofe is nearly four 
Icruples; when given to a dog, or any other animal, they muft 
be firft blooded, and then wafhed well all over; then mix the 
compofition well in a convenient quantity of warm milk, or 
broth ; the dofe may be proportioned to the bulk or flrength 
of the animal. To a man or woman it muft be given after 
blood-letting, and wafhing well the face and hands, or the 
place that is bitten, or all the cloaths the patient had on, in 
H h 2 order 
