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130 A

TREATISE

ON

LAND-SURVEYING:

COMPRISING

THE THEORY

DEVELOPED FROM FIVE ELEMENTARY PRINCIPLES;

AND THE PRACTICE

WITH THE CHAIN ALONE, THE COMPASS, THE TRANSIT,

THE THEODOLITE, THE PLANE TABLE, &c.

ILLUSTRATED BY
FOUR HUNDRED ENGRAVINGS,

AND A MAGNETIC CHART.

By W. M. GILLESPIE, A. M., Civ. ENG.,

PROFESSOR OF CIVIL ENGINEERING IN UNION COLLEGE.

AUTHOR OF A MANUAL OF ROAD-MAKING," ETC.

THIRD EDITION.

NEW-YORK:
D. APPLETON & CO. 346 & 348 BROADWAY,

AND 16 LITTLE BRITAIN, LONDON.

MDCCC LVI.

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