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With the respectful compliments of the author.

Address,

Mr. R. BALLARD,                

Malvern,          

ENGLAND.

THE SOLUTION

OF THE

PYRAMID PROBLEM

OR,

PYRAMID DISCOVERIES.

WITH A
NEW THEORY AS TO THEIR ANCIENT USE.

BY

ROBERT BALLARD,

M. INST. C.E., ENGLAND; M. AMER, SOC. C.E.
CHIEF ENGINEER OF THE CENTRAL AND NORTHERN RAILWAY DIVISION
OF THE COLONY OF QUEENSLAND, AUSTRALIA.

NEW YORK:
JOHN WILEY & SONS.
1882

Copyright,
1882,
By JOHN WILEY & SONS.

PRESS OF J. J. LITTLE & CO.,
NOS. 10 TO 20 ASTOR PLACE, NEW YORK.

NOTE.

In preparing this work for publication I have received valuable help from the following friends in Queensland:—

E. A. Delisser, L.S. and C.E., Bogantungan, who assisted me in my calculations, and furnished many useful suggestions.

J. Brunton Stephens, Brisbane, who persuaded me to publish my theory, and who also undertook the work of correction for the press.

J. A. Clarke, Artist, Brisbane, who contributed to the Illustrations.

Lyne Brown, Emerald,—(photographs).

F. Rothery, Emerald,—(models).

and—A. W. Voysey, Emerald,—(maps and diagrams).

CONTENTS.