HAND LEVELS. 



No. 5700. 



5700. Locke's Hand Level, German Silver, 5 in., in Case .... each $ 8 00 



5701. do. Bronzed, 5 . . . . 7 00 



5702. do. Brass, plain, 5 .... 6 00 



The Hand Level is a great help in chaining'accurately in the shortest possible time. 

 Nos. 5700 and 5701 have telescoping eye-piece and magnifying lens for the bubble. 



"Copyright, 1894, by Keuftel & Ksser Co." 



Patented April 24, 1894. 



Diagram, showing 

 appearance of field 



5703. K & E Patent Hand Level, square tube, bronzed, 5 in., in Case, each $ 4 50 



5704. do. " do. nickel-plated, 4 50 



In No. 5703 the reflector is a narrow prismoid, crossing the middle of the field of 

 view, so that the field appears on both sides of the reflected bubble, as shown in above 

 diagram. As the lower surface of the tube is flat and parallel with the bubble, this hand- 

 level can be used also as a contact level. 



HAXD LEVELS AXD CLIXOMETEltS. 



No. 5710. 



5710. Abney's Reflecting Level or Pocket Altimeter, 5 in., improved, with 

 arc divided to degrees for 60 in each direction, vernier reading to 

 5 minutes, gradients 1:1 to 1:10, in sewed leather case. . . . each ,$ 13 50 



For Jacob staff and tripod see page 9. 



