AMBIT) S: 
DEPARTMENT OF ASTRONOMY. 
In charge of Prof, J. K: Kees. 
I. Two forms of CALCULATING MACHINES, made by Thomas 
and Grimme, Natalis & Co. 
= 
RECORDING BAROMETER, made by Fuess, of Berlin. 
RECORDING ANEMOMETER, made by Fuess, of Berlin. 
RECORDING RAIN GAUGE, made by Fuess, of Berlin. 
ASSMANN’S PSYCHROMETER, made by Fuess, of Berlin. 
OS ee 
FOUR PHOTOGRAPHS OF FINE MAGNETIC INSTRUMENTS, 
mounted at Potsdam, Germany. 
Nos. 1 to 6 inclusive were a part of the German Exhibit at the World’s Fair in 
Chicago, and were presented to the Department of Astronomy of Columbia College by 
President Low. 
The Recording Apparatus in the above instruments is electrical. 
7. PHOTOGRAPHS OF THE SUN, MOON, PLANETS AND NEBUL4, 
made at the Lick Observatory and presented to the Columbia 
College Observatory. 
There will be exhibited also, as being historically interest- 
ing, the following: 
8. PHOTOGRAPHS OF THE SUN, MOON AND STARS, made by 
Lewis M. Rutherfurd. 
9g. MEASURING MICROMETER, designed and constructed by 
Rutherfurd and used by him in measuring his star plates. 
10. SURVEYOR’S COMPASS of the time of George III. 
II. THE RUTHERFURD PHOTOGRAPHIC TELESCOPE. This in- 
strument will be exhibited in the Observatory of the College, 
