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COMPLETE TREATISE

ON

PRACTICAL LAND-SURVEYING,

&c.;

OR, THE WHOLE ART OF

LAND-SURVEYING, PLOTTING, EMBELLISHING OF MAPS,

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FOR THE USE OF SCHOOLS AND YOUNG SURVEYORS,

BY THOS. HOLLIDAY,

LAND-SURVEYOR, YORK.

LONDON:

PUBLISHED BY WHITTAKER AND CO., AVE MARIA LANE;
SIMPKIN AND MARSHALL, STATIONERS' COURT :

AND BELLERBY, YORK.

1838.

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PRE FACE.

My design in the production of the following work has been to treat of land-surveying and of such matters as are useful in mensuration generally in the most simple, concise, and practical manner, in the hope to adapt the subjects to the capacity of youth, and to the comprehension of those who have obtained only a partial acquaintance with them.

Having employed many years in the profession of a land-surveyor, and having carefully studied and examined the different methods used in modern practice, as well as those which are laid down in different treatises on mensuration and land-surveying, I have with much pains brought the various rules therein contained to bear on practical measuring; and I have rejected from this work all methods but such as are best calculated to give the true results, and to discover mistakes if committed. Many rules may

be correct in theory, but cannot be relied on in practice; and it is experience alone that can teach what methods are most certain in their results, and most suitable to lead the pupil into the business of practical surveying.

The various wants of the learner I have endeavoured to supply; the difficulties which retard him have been carefully examined, and plain directions given to enable him to surmount them whenever they may be met with in practice. The whole of the treatise on land-surveying was

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