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AT THE GREAT PYRAMID

DURING THE MONTHS OF JANUARY, FEBRUARY,

MARCH, AND APRIL, A.D. 1865;

WITH

A DISCUSSION OF THE FACTS ASCERTAINED.

BY C. PIAZZI SMYTH, F.R. SS. L. & E.

F. R.A.S., F.R.S.S.A.; HON. M. INST. ENGIN. SC., P.S. ED., AND R. A. A.S. MUNICH AND PALERMO;
PROFESSOR OF PRACTICAL ASTRONOMY IN THE UNIVERSITY OF EDINBURGH,
AND ASTRONOMER-ROYAL FOR SCOTLAND.

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