SID SIL 
\ •/ r " * 
439 
Tranf. 
Abridg. 
Si don. A diflertation upon the Phoenician nu- 
meral characters antiently ufed at Siaon 
S iv ini ok 
’ L 791 
Sieve. Kcrxtw EpccjoaSsvovg or the fieve of Eratof 
thenes, being an account of his method of find- 
ing all the prime numbers - Horfeley 
: LXll 327 
Sight. A letter concerning an optical experiment 
ill 727 
III 41 
conducive to a decayed fight Anon. 
With another confirming the former, and add- 
ing forae other obfervations about fight 
Anon, 
— 729 
II 684 
And a note relating to the fame Anon . 
And another note about the fame empty tubes 
— 765 
Anon, 
— The ufe of telefcopic fights in aftronomical ob- 
— 802 
fervations - - Hevelius 
— ExtraCts from Mr. Gafcoigne’s and Mr. Crab- 
trie’s letters, proving Mr. Gafcoigne to be the 
inventor of the telefcopic fights of mathemati- 
cal infiruments, and not the French 
IX 27 
I 221 f 
Derhajn 
XXX 603 
IV 345 
— Obfervations on fome deceptions of fight 
XLIII 382 
through compound microfcopes Gmelin 
— — An account of a remarkable imperfection of 
X 761 [ 
fight - Scott 
- See Microfcope , Telefcope 
Silch ester. A defcription of the town of Silchefter 
LX VIII 61 1 
in its prefent ftate - - Ward 
Silk. Obfervations made on the ordering of filk- 
XLV 603 
XI 1267 
worms - - Digges 
— Account of a book on the defigned progrefs to 
be made in the breeding of filk- worms, and the 
making of filk in France - Oldenburg 
— ■ A letter concerning an unufual way of propa- 
gating mulberry trees in Virginia, for the bet- 
ter improvement of the filk. work ; together 
with fome particulars tending to the good of 
I 26 
II 756 
-87 
— 653 
that plantation - Moray 
I 201 
Of the nature of filk as it is made in Piedmont 
Aglionby 
A letter giving feveral experiments and obfer- 
vations on the production of filk worms, and 
of their filk in England, as made laft fummer 
XXI 183 
— 757 
Barham 
Silk-Pod. An account of a particular fpecies of ! 
XXX 1036 
V 19 
cocoon, or filk-pod, from America Pullein 
LI 54 
Kkk 
Silk* 
