CLINOMETER 

 FOR MEASURING HEIGHTS. 



4440. 



4442. 



4440. Clinometer, mahogany frame with hinged cover, 4| X 4 X 1 



in , silvered metal dial with cover glass Graduated to -' 

 percentage of angle to 100% each way (by 2 ''.). num- 

 bered at each 10%", with a second row of numbers 

 reversed for reading in mirror. The pendulum is held 

 by a spring, except when released by pressing a button 

 on the reverse side of the frame, so that its location can 

 be conveniently read on the scale. The upper edge 

 has a peep sight and sighting pin. In the cover there 

 is a circular mirror for reading the position of the 

 pendulum while sighting each $ 8 00 



4442. Clinometer, mahogany frame 3 X 3 X 2 i n - silvered metal 

 dial with cover glass. Graduated to percentage of angle 

 to 100% each way (by 2%), numbered at each 10 V. The 

 top or bottom of the frame serve as fiduciary edge and 

 for sighting. The pendulum is held by a spring, except 

 when released by pressing a button on the reverse 

 side of .the frame so that its location can be conven- 

 iently read each $ 4 00 



