F--—
THE

MECHANICS, MACHINIST'S, AND ENGINEER'S

PERACTIC A.T.

B00 K OF REFERENCE:

CCNTAINING TABLES AND FORMUL.A. For USE IN SUPERFICIAL AND solid
MENSURATION: STRENGTH AND WEIGHT OF MATERIALs; MECHANICS;
MACHINERY: HYDRAULICS, HYDRODYNAMICS; MARINE ENGINES,
CHEMISTRY : AND MISCELLANEOUS RECIPES.

costAINING ForMULA; For THE VARIOUs METHODS OF RUNNING AND CHANGING
LINES, LocatING SIDE TRACKS AND SWITCHES, &C., &C.

TABLES OF RADIT AND THEIR LOGARITHMS,
NATURAL AND Logaortantic versed sines and Extennai sroasts,

NATURAL SINES AND TANGENTS TO EVERY DEGREE
AND MINUTE OF THE QUADRANT,

A NI)
LoGARITHMs of NATURAL NUMBERS FROM 1 TO 10,000.

Entered according to the Act of Congress, in the year 1855, by
S T R IN G E R & TOWN SEN D,

In the Clerk's Office of the District Court of the United States for the Southern District of New York.

R. GRAIGHEAD, Stereotyper and Electrotyper, 53. Vesey Street, N. Y.

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