oo 
-enable‘him to the. orders of his friends with increased satis- 
Supply every description of apparatus, for ane or re-~. 
August 17, 1850.—ty. 
2 
JAMES GREEN, 
MANUFACTURER AND IMPORTER OF 
Eien and Chemical Apparatus, Optical and j 
— Mathematical Instruments, me : 
; ee 
No. 422 Broapway, New Vows: 
J.G. desires to inform the public that he has removed his es- gre 
tablishment from Baltimore to New York, where he believes that piel 
the Reve facilities afforded for manufacturing apparatus, will 
faction ae greater ‘promptness. oe 
In addition to the articles?of his own make, his personal ac- — 
quaintance with the princip al makers of Europe, enables him t : 
3, 
Search, on very favorable terms. + 
‘ Special attention will still be given to making Standard Ba- Re 
rometers and Thermometers, also, Portable Barometers eee Wol- } 
‘s Barometers and Thermometers, as adapted for the sys- 
tem of meteorological observations conducted by the Smithsonian 
Instit ion, put up in sprin ng boxes for safe tragepentagion through- 
ut th ited Stat eign parts. 
ari rimental lectures on “Natural Philoso- 
00 
2 Compass ses, Drawing Instruments, 
Catalogues ink to address. . = en 
mt 1850. a 
- CATALOGUE. oF * SHELLS. 
Tue subscriber will publish on the Ist of Oct., 1850, the fourth edition a 
of his Catalogue, contain ining upwards of species and varieties, a 
together wit th synonymes. Tp which are added au og 
localities, and references to good figures, with Index, complet = 
It will be published on fine sized paper, large 4to, and will “contain 
over pages. e $3. 
Address 
: JOHN C. J 
hye, Wetiniasiee Co., Pec TRork. 
