366 
man body to the furface of the water, 
or till 1 becomes vilible: a fecond drag 
at fuch time might be applied to any 
part of the body, fo as to fecure a firm 
holdy’ The beft drag cofts il. 1s. the 
fecond 12s. 
Mr. SEBASTIAN Gakicr has obtained 
the ‘filver medal and twenty guineas for 
‘Colours and Materials for Painting, and 
for a preparation of Grounds or Pannels 
for Painters, This gentleman aflumes, from 
various experiments, that he has difco- 
vered the manner of preparing either 
Canvafs, Copper, or Pannel in the old 
Venetian ftyle; and alfo a method of 
parifying oils for painters’ ufe agreeably 
to the practice of the ancient matters. 
He fays he has been enabled to produce 
Crayons, of a quality greatly fuperior to 
any in ufe, and which are’ fixed,’ fo as to 
- prevent their rebbing off the paper when 
ufed, and W hich may alfo’ be applied 1 in 
Lip of New Publications. 
[May 1, 
water orin oil. We fhall give aninftance 
of each. The pannels and canvafs 
grounds are prepared by laying on them 
a compolition made from fheep’s trotters 
calcined and wheaten flour in equal pro- 
portions. The grounds thus prepared 
do not crack, they may be painted on 
upon, almoft. immediately, and’ from 
their abforbent quality the bufinefs 
may be proceeded upon with difpatch. 
Oil is purified by boné-afhes made into. 
a paite with water, this is to. be heated 
red-hot, and immerfed m the oil, after 
‘which a finall quantity of bone-ahh i is to 
beadded; and, when it isclear, it is fit for 
ufe. Pees 
Crayons are formed of 1lb. of powder- 
ed bone-aihes, mixed with three ouncés 
of fpermaceti, and colouring matters as 
much as may be required.’ They are te 
be ground together, and then rolled up 
in proper form and dried on a board. 
LIST OF NEW PUBLICATIONS IN. APRIL. 
| ene 
ae As the Taft of Nes Publoniaste: contained in the Monthly Dacia is'the 
ONLY COMPLETE LIST. PUBLISHED, and confequently the only one 
that can be ujeful to the Public for Purpofes of general Reference, it is requefted, 
that Authors and Publifhers will continue to communicate Notices of their Works, 
(Poft paid), and they will alovays t be faithfully oF AWA FREE of EXPENCE, 
a 
ANTIQUITIES, 
7MHE Architectural Antiquities of Great 
Britain ; by John Britain, F. S.A. Part 8, 
4to. 10s. 6d.; fine, 16s.! 
ARCHITECTURE. 
Obfervations on Englith Archite&ture, Mi- 
litary, and Civil; compared with fimilar 
buildings on the Continent, including a criti- 
cal Itinerary of Oxford and Cambridge, &c. 
with Chronological Tables, and Dimenfions 
of Cathedral and Conventual Churches; by 
the Rev. James Dallaway, M.B. F.S. A. 8vo. 
42s. boards. ; 
: BIOGRAPHY. 
An Account of the Life and Writings of 
Hugh Blair, D. D. F.R.S. one of the Mi- 
nifters of the High Church, and Prefeffor of 
Rhetoric and Belles Lettres in the Univerfity 
of Edinburgh ; by the late John Hill, L. L. D. 
8vo. 6s. boards. 
An Account of the Life and Writings of Da- 
vid Hume, efg.; by Thomas Ritchie. 8vo. 
10s. 6d. boards. 
The Laft Years of the Reiznof Lou's XVI. 
by Francis Hue, 8vo., 10s. 6d. boards. 
The Life and Writings of Mr. Tanner, of 
Exeter ; by Dr. Hawker, D. D. with Mr. T,’s 
Portrait. , 8vo. 5s. ; “a 
DRAMA. 
The Architect; a Farce, by the late Mr. 
b 
os 
‘Nicholas Gypfum, with Notes and iin ies sby 
the Author. 2s. 6d. 
EDUCATION. 
The Young Lady’s Pocket Library 5 3 or, Pa- 
rental Monitor. 8vo. 6s. boards.~: 
Moral : Tales, oe Young People ; a Mis, 
Hurry. 4s... 
The Book of Monofy iii 3 or, an “ane 
duétion to the Childs’ Monitor, or Parental 
Inftrnétion, in Two Parts. 1s. 6d. bound. 
The Young Naval Hero; or, Hints to Pa- 
rents and. Guardians, on educating Young 
Gentlemen for the Navy. 2s. 6d. 
A New General Pronouncing Didtionary 5 
by William Enfield, M.’A.. 4s. bound. 
A Comparative View of the New Plan of 
Education, promulgated by Mr. Jofeph Lan~ 
cafter in his Tracts concerning the Inftruc- 
tion of the Children of the Labouring Part of 
the Community, and of the Syftem of Chrif- 
tian Education, by Mrs. Trimmer. 3s. - 
_An Abridgment of Dr. Goldfmith’s Ndiaal 
Hiltory of Beatts and Birds, with 200 Engrave 
ings on Wood. 6s. bound. 
The Juvenile Journal ; or, sone of Trath; 
by Mrs. Cockle. 3s. 64. 
GEOGRAPHY. 
Ke. Tnteuwerion ep Geography, intended 
chiefly for the Uie of Schools; including a 
Short Account of the Solar phase and the 
ics 
i en —— ee 
_ 
sites 
