INDEX.
By air and sun-329, 350, 438
Slack, diluted, becomes grey-319
Means of judging of the species of thecolour — — — -319, 320
Slack natural sub/lancet — —-320
Minerals — — — — — 320, 323
Vegetable juices-322, 329
Animal juice — —-333
Slack Composition1 —-•— — 336
Enamel — — —-i- — 442
Inks —-371
Paints-—-356
Sealing wax —-— 370
Varnishes —-— 366, 639
For marking sheep-359
For preserving wood-362
For blacking leather-363
'-Black Dye —• —-— 401:
on Cotton —-—-433
on Hats-428
on Linen-— 433, 429
on Silk —- 422
on Thread-— — 433, 429
on Woollen-- —-— 40*
Slack Stains — —-—-434
on Agate-438
on Bone-43;
on Hair-433
on Ivory-433
on Marble-—-436
on Wood-— — 434
Bhme'y hearths for running down ironore — — —-266
Blowing machines by a fall of water with-out compressible bellow's — 269
at Tivoli — — —-— 270
in Dauphiny-271,274
on the Tiburtine mountain — 272at Lead hills in Scotland — — 373
in the territory of Foix-276
in Languedoc-277
Of he quantity of water they require279Quantity of air afforded by them—280Means of determining the force of the
---285
Of " >ucture"of the air vessel—286Methoo of" drying the air —— — 290
Experiments far improving the ma-chine; - 279
for ascertaining their principes of
action--- 2ot
for regulatn: th: kructue of the
unnt a,, i jjipe —-798
for !. crealin.. the . ' I by divining
rnestr-am — —-303
Description -if a mathi-ed- ,1a. ed. from
theexpsri ;• t--310
Machines for fails of great height —632for low fails-633
Blow-pipe for concentrating flame-19
It; uses-20
Blue g 'aj i , with zaffre-343,441
with gold —-—-619
Blue liquor:, from oak dustand vitriol 382
From logwood and verdegris-407
From logwood and blue vitriol — 408From an essential oil and volatile spirit-436
Bone Gained purple-97
stained black —--435
Brass raeXtei with platina — — — 532Made harder and less disposed to tar-nish -532, 533
Breath human, its force-r 85
Brocades, method of spinning gilt wire for
them-— >— 61
Slips of gilt paper used instead of gilt
thread-62
Inconveniences ofthe paper — — 62The gold extended by pasting the stuff
between rolls-— 226
Method of cleaning when sullied — 39
Burning-glass, flint melted by it — 46;
Gypsum melted by it-463;
Platina melted by it — — — 467Effects said to be produced by it on
gold — —-—70
Examination thereof-71
Whiteness of bodies impedes its action.
on them-318, 466
Does not melt polished silver— 466
C.
Calamine, an ore of zinc — — — 519Means of extracting the zinc pure 519
Method