Maclear (T.)
GEOGRAPHY OF THE CAPE
Longitude of Graham's Town
Published: Cape Town, 1850
Stock Number: #2339/2
Price: R750
Approximately:
11 pages, 8vo(180 x110 mm) ,plain blue paper wrappers tied with cord. Reprinted from the "South African Commercial Advertiser", June 12th, 1850
A South African Bibliography volume 3 page 218. A general explanation of the principles of calculating occulations, followed by an example of such calculation at Grahamstown on 17th July 1850