BAKER'S MICROSCOPE. 85 



strengthened by cross bars ; the beauty of the chain move- 

 ment (with which all Mr. Ladd's microscopes are furnished) 

 is made apparent by a simple and effective fine adjustment 



Fig. 41. Ladd's Students Microscope. 



attached to the milled head, thus making the one adjust- 

 ment subsidiary to both purposes. The general appearance 

 of the instrument is one of elegance, stability, lightness, 

 and compactness. 



Mr. Baker (Holborn) has kept pace with our leading 

 manufacturers, and his first-class microscopes fairly entitle 

 him to take his place among the makers of superior in- 

 struments. One of his best forms, shown in fig. 42, 

 combines good workmanship with remarkable solidity and 

 completeness in all its details. 



In this instrument, two uprights are strengthened by 

 two internal buttresses mounted on a solid tripod. At 

 the upper part, and between the uprights, is an axis upon 

 which the whole of the upper part of the instrument 

 turns, so as to enable it to take a horizontal, vertical, or 



