|  | These 
              2 polariscopes are very compact, lightweight and portable. Both 
              offer the same high sensitivity obtained in our larger units. The 
              original Model 3C has a 1” eyepiece, while the Model 3C-3 has a 
              3” eyepiece to aid in viewing. They are especially adaptable for 
              examination of objects such as glass tubing up to 2” diameter, lenses, 
              and other flat pieces of similar size. An indispensable utility 
              instrument for bench work, laboratory work, sales executives or 
              branch offices …  |