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THE NEW YORK UBLIC LIBRARY

ASTOR. LENOX AND TILDEN FOUNDATIONS,

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OF

THE METHOD OF CONDUCTING

A TRIGONOMETRICAL SURVEY,

FOR THE FORMATION OF

Geographical and Topographical Maps and Plans;

MILITARY RECONNAISSANCE, LEVELLING, ETC.;

WITH THE MOST USEFUL PROBLEMS

IN

GEODESY AND PRACTICAL ASTRONOMY,

AND FORMULÆ AND TABLES FOR FACILITATING THEIR

CALCULATION.

BY CAPTAIN FROME, ROYAL ENGINEERS,

F.R.A.S. AND Assoc.Inst.C.E.

LATE SURVEYOR-GENERAL OF SOUTH AUSTRALIA,

SECOND EDITION, REVISED AND ENLARGED,

WITH AN ADDITIONAL CHAPTER UPON COLONIAL SURVEYING,

AS ADAPTED TO THE MARKING OUT OF WASTE LAND.

LONDON:
JOHN WEALE, 59, HIGH HOLBORN.

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