A 
CATALOGUE 
O F 
Mathematical, Philofophical, and Optical 
INSTRUMENTS, 
Made under the Infpedtion and Direction of 
GEORGE ADAMS, Mathematical In- 
flrument Maker to his Majefty George 
the Illd. 
At the Sign of Tycho Brahe’s Head, No. do. in 
Fleet-Street, London. 
Where Gentlemen, Ladies, and Merchants, &c. may be 
fupplied, with Inftruments which are invented, and im¬ 
proved by him, as well as with thofe contrived by the 
ableft Mathematicians in Europe. 
T HE ftudy of the mathematicks being 
now become a neceffary part of every 
gentleman’s education, we need not won¬ 
der at the great progrefs which this fcience has, 
of late years, made in molt parts of Europe *, 
fince it contains fuch an inexhauftible fund of 
ufeful knowledge, as is fufficient to gratify every 
tafte, and employ every talent. The nobleft ge t 
nius may, in the purfuit of it, exert his utmoft 
faculties; and the meaneft will not fail of finding 
fomething that is within his reach. The theory 
affords an ample field to the fpeculative part of 
mankind, and the practice is productive of feveral 
advantages to men of aCtion and bufmefs. 
Mathematical 
