98 SIB WM. AND CAROLINE HERSCHEL. 



day to help her brother in his great work. Some- 

 times, when the wife was absent, Caroline came 

 back for a few days and lived over the old unal- 

 loyed life, and then went back to her lonely 

 lodgings. 



For ten years following this marriage, she prob- 

 ably told her heart-aches in her journal ; but before 

 her death she destroyed the record of these years, 

 that the feelings of those who were alive might not 

 be pained. In later days she became more recon- 

 ciled to Lady Herschel, as " a dear sister, for as such 

 I now know you," and idolized their only son, the 

 renowned Sir John Herschel, born nine years after 

 their marriage. 



In 1785, Herschel began to construct his great 

 forty-foot telescope, and the next year removed to 

 Slough, not far from Windsor. "In the whole of 

 the apparatus," he said, " none but common work- 

 men were employed, for I made drawings of every 

 part of it, by which it was easy to execute the work, 

 as I constantly inspected and directed every per- 

 son's labor : though sometimes there were not less 

 than forty different workmen employed at the same 

 time. While the stand of the telescope was pre- 

 paring, I also began the construction of the great 

 mirror, of which I inspected the casting, grinding, 

 and polishing; and the work was in this manner 

 carried on with no other interruption than that 

 occasioned by the removal of all the apparatus and 

 materials from where I then lived, to my present 

 situation at Slough." He had his first view through 



