‘ 
H 
1894] 
fudje&ts of obfervation during this {pace 
of time. Such a long and uninterrupted 
courfe of obfervation, we apprehend, has 
no where elfe been continued. The ad- 
vantages of obfervation of even half a 
dozen patients a week, for about two 
hundred and twenty weeks fucceffively, 
over any greater than the total number 
here inoculated, but ina few months or few 
weeks, can well be conceived by thofe who 
have ever been employed in oblfervation, 
aad need not be explained. 
Tt appears, that not lefs than 12,000 
parcels of matter have been furnifhed by 
this Inftitution, and thereby it is eftimated 
fairly, that not fewer than 60,000 perfons 
have been vaccinated with matter dire€tly 
from this Inftitution ; befides an incalcu- 
Jable number from thefe fo vaccinaied. 
The whole pecuniary expence for thefe 
benefits does not amount to much more 
than 300]. per annum ; and although the 
fub{eriptions are voluntarily and moitly of 
{mail annual fums, and although the In- 
ftitution has fuftained great experices and 
pecuniary loffes, chiefly from unfortunately 
parting with money on a loan, and from 
New Patents lately enrolled, t 
141 
being obliged to change their ‘home for 
the practice ; yet there is a furplus of 5 sol. 
in the funds, and a refpectable balance in 
the hands of the banker; what is turprif- 
ing, is, that many have received from this 
Inftitution a reward to fubmit to the teft 
of Small Pox Inoculation, and others have 
been relieved who were in diftrefied cir- 
cumftances. Hence it is concluded, that 
there is not to be found an example of 
even nearly fo much benefit to individuals 
and fociety at large at fo fmall an expence. 
However, although it be very true, that, 
provided the exifting fub{cribers be per 
manent, the income will be adequate to the 
prefent expenditure, it is not to be dif 
fembled that the pra€tice of enquiry might 
be conducted upon a larger fcale, and more 
agreeably to the different officers, if their 
income would allow it. Accordingly, al- 
though it is not the plan of this meeting — 
to canvas for fubferiptions, it is hoped 
that its fonds will hereby be augmented 
in fuch a manner as is thought proper, 
the public having already had an earneft 
that their benefaétions will be wilely em- 
ployed by the prefent managers. 
NEW PATENTS LATELY ENROLLED. 
_MR. LYON PIKE’S for bis improved Pa- 
TENT PENCILS. 
HESE pencils are manufactured on 
the principle of the fliding pencils ; 
the fhell is to be made of metal, or fome 
other fubftance which will bear the graver, 
fo that inches and fraétiosal parts may be 
Jaid down onit. The fhell is from 5 to 
6 inches $ long, and in it flide two pencils 
one formed of black Jead, the other of 
creta gallica, or fome other kind of cray- 
on. Hence, a perfon in poffeffion of one 
of thefe pencils, may write even on glafs 
or woollen manufacture with the crayon, 
and on paper, ivory, &c. with the black 
lead. By making the fhell of metal, it is 
not liable to be diminifhed, by the act of 
cutting a point to the pencil, and in this 
fgems the principal merit of the invention. 
LL 
MR. WM. BICKNELL’S (ST. GEORGE'S, 
HANOVER SQUARE) for an 1M- 
PROVED METHOD Of COVERING FELT 
Sor the making of CAPS, HELMETS, &c. 
This invention is thus defcribed by the 
Patentee : firft, I take undyed felt, form 
it to the fize and fhape required, ftiffen the 
infide with glue, then block the cap or 
Monturx Mac. No, 119. 
helmet, and dip it once, or oftener, as oc 
cafion may require, into a boiling caul- 
dron or copper, having a compofition form- 
ed of 25lb. of refin, one of bees-wax, and 
one of pitch, fimmered together. When 
the cap or helmet has been coated over: 
with this compofition to the thicknefs of 
4 of an inch, and has been left to cool and 
dry, flatten the external furface with any 
proper tool for the purpofe. Then rub 
the outhde furface well witha brufh or 
fyonge, dipped into a boiling-hot dye 
made from 12lb. of logweod, a quarter of 
a pound of ccpperas, half a pound of glue, 
and one pound of lamp black, boiled loole 
together in eight galloas of water. After 
this, dip the cap into a cauldron of boiling 
liquid compounded of equal quantities of 
Jey, bees-wax, and ivory-black : the cap 
is then to be fmoothed, and polifhed by 
the fri€tion of a turning-wheel or lathe 
rubbed againft the external furtace. 
A cap or helmet thus finifhed, will be 
completely water proof, will refift a fevere 
blow or cut frema fabre, be durable, and 
may be kept clean and neat for years, by 
blacking the external furtace with a com- 
mon black ball, and polifhing it after- 
wards with a brufh, ve 
u 
MR, 
