15 



[ KEUFFEL & ESSER CO. NEW YORK 



RAIN 



GAUGES. 



5980. 



5984. 



5980. Rain Gauge, Howard's model, simple construction, with 



graduate reading to 1 fo r in., each f 4 00 



5982. do. dp. Symon's model, with prongs to 



-prevent tipping, with graduate reading to y^ in., 600 



5984. do. do. Glaisher's model, a very reliable 



instrument, with graduate reading to ^ in., ... 850 



PEDOMETERS AND ODEMETERS. 



No. 6905. 



No. 6910. 



6900. Pedometer, watch pattern, nickel case, 1^ in., registering 



12 miles by miles each $ 4 50 



6901. do. do. registering 50 miles by 80 yards 5 25 

 6905. Passometer, watch pattern, nickel case, If in., registering 



to 100,000 steps each $ 6 50 



Pedometers No. 6900 and 6901 indicate the distance walked. The hand advances in 

 proportion to the length of stride, as the instrument is adjustable by an easily accessible 

 screw. Passometer No. 6905 registers the number of steps walked and is not adjustable to 

 length of stride. The distance walked can be computed from the number of steps re- 

 gistered. 

 6910. Odometer of Brass, with silvered dials, in dust proof 



leather case with straps each $ 15 00 



