ZOOLOGY AND BOTANY, MICROSCOPY, 
ETC. 
It has a centering euusiage oi uni 
rack-and-pinion focussing adjustment 
the movable arm. 
The whole is mounted on a solid tripod foot as figured. 
of universal size (1^ in.) with diagonal 
pi ane an( j concave mirrors on 
Fiu. 152. 
Reichert’s Cheap Non-inclinable Stand. — Fig. 152 
Reicherts cheap non-inclinable stand, fitted with a spiral 
represents 
rack-and- 
