KEUFFEL 8c ESSER CO. NEW YORK 



THEE CALIPERS. 



FOLDING POCKET CALIPERS, 



Patented Feb. 18, 1902. 



No. 4300. 



The Folding Pocket Calipers are of the style of the K & E Ivorine 

 Pocket Rules, described under Nos. 1730-4 Ivorine, etc., on preceedino- page. 

 They are f in. wide by about ^ in. thick and have stout steel springs to hold 

 the folds in alignment, and the patent metal tips. The beam of this caliper i& 

 also a handy and correct 48 in. pocket rule. 



One side of the 8 fold beam is blank for the first 3 folds and the other 5 

 folds, the beam of the caliper, are divided to inches and sixteenths. The 

 3 blank folds are set at right angle to the balance of the rule and are there 

 held by a pivoted nickelplated brace, as shown in cut, forming the fixed arm 

 The sliding arm is provided with a nickelplated spring plate, which, when 

 pressed down holds the arm vertical on the beam. It readily passes over 

 the joints of the beam on releasing the pressure on the springplate 



The other side of the caliper is divided over the entire 48 inches into 

 16ths, to serve as a measuring rule. 



4300. Folding Pocket Caliper and Rule, 48 in. Ivorine finish, 

 clamp and spring plate nickelplated, in cloth covered 

 box, 9| x 2 x 1 inches each $ 4 00 



