HOW TO DRAW OBJECTS. 



To Determine Magnifying Power; To Measure the Size of 

 an Object. 



TO SELECT A MICROSCOPE. 



Stand, American or Continental; Tube Length; Base; The 

 Joint for Inclination of Arm; Coarse Adjustment; Rack 

 and Pinion; Fine Adjustment; Metal; Size and Weight; 

 Working Space Below Stage; Stage; A Glass Stage and 

 Slide Carrier; The Mechanical Stage; Revolving Stage; 

 Substage; Substage Condenser; Objectives and Eye- 

 pieces; Eyepiece; Objectives; Objectives of Wide 

 Aperture; Accessories. 



CARE OF A MICROSCOPE. 



To Take Care of a Stand; To Take Care of Objectives and 

 Eyepieces. 



