; x mronoscoPEs— SURVEYING AND 
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P Brot Lig ee ig. arid James Jones, M.D., New Orleans, and Dr 
Mess 
papariby excelenge in. al respects, and of every variety of form ant 
aay € 
: ‘ -whose superior excellence of workmanship, construction and ac 
<=. have been frequently acknowledged. 
mitted to refer to the Editors of this Journal. To Profs. D. Ol 
a INSTRUMENTS. 
 Mussrs. JULIUS & WILLIAM GRUNOW, 
OF NEW HAVEN, “CONN. 
J. & W. G. make to order ‘Acnromartic Microsco Es of 
ts Surveying and Astronomical Instruments, 
For the quality of their instrume ents, Meco. J. & W. G. are. 
Smith, Louisville, Ky. 
_ Priced pel logues sent ia. order. 
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