the San Gabriel Valley to a height of nearly 6,000 

 feet, and lying some 30 miles from the Pacific 

 Ocean, it offered more advantages than any other 

 site known. One of these was the possibility of 

 establishing the shops, laboratories, and offices in 

 the city of Pasadena, within easy reach of large 

 foundries, supply houses, sources of electric light 

 and power, and other facilities demanded by the 

 nature of the work. Throughout the dry season. 



* m 



FIG. 2. Mount Wilson from Mount Harvard. 



day after day is clear and tranquil and the wind 

 velocity is remarkably low. The broad and diver- 

 sified mountain summit, protected from the sun's 

 heat by spruces, pines, and undergrowth, affords 

 numerous locations perfectly adapted for the vari- 

 ous instruments; the water-supply is abundant, 

 and the completion of the mountain road makes 

 the distance to the Pasadena office only 16 miles, 

 covered in i\ hours (ascending) by auto-stage. 



