io8 



THE POPULAR SCIENCE MONTHLY 



him a Gauss archive, in which the manuscripts of Gauss and other inter- 

 esting material have been deposited. In the town of Gottingen there 

 is a statue of Gauss and his friend Weber, the physicist whom we have 

 mentioned earlier. Gauss, in a sitting posture, and Weber, standing, 

 appear engaged in a lively scientific discussion. Besides the telegraph, 

 Gauss and Weber designed instruments which were used in the early 

 determination of the magnetic elements of the earth's magnetism. 

 Through Gauss's initiative there was established the German Magnetic 



-y^mm. 



The House in the City of Braunschweig where C. F. Gauss was born and 

 where Gauss Relics are now on Exhibition 



Union, with the object of securing systematic and continuous observa- 

 tions. Important as were Gauss's achievements in geodesy and the 

 earth's magnetism, his chief scientific researches were in mathematics 

 and astronomy. During his labors at Gottingen, extending over nearly 

 half a century, he made profound researches in the theory of numbers, 

 which is one of the most subtle branches of mathematics. He greatly 

 enriched by his investigations the theory of imaginary numbers, the 



