164 



CENTRAL SCIENTIFIC CO., CHICAGO, U. 8. A. 



No. F2617. 



No. F2625. 

 Metal cap needle, brass case, card dial, beveled glass; the three 



F2615. COMPASSES, MAGNETIC. 

 larger sizes with ring. 



Diameter, mm 



Each 



F2617. COMPASS, .MAGNETIC. Agate cap needle, brass case, brass dial, 2 divisions, beveled glass, 

 with cover. 



Diameter, mm 



10 

 $0.12 



16 

 .20 



25 

 .40 



40 

 .65 



50 

 .75 



40 

 1.80 



50 

 2.00 



Each 



F2619. COMPASS, MAGNETIC. Agate cap needle. A low priced but high-grade compass, with dial of 

 enameled card graduated in 5 divisions. The needle is of special steel, heavily magnetized. 

 The case is brass, gunmetal finish, and has a diameter of 38 mm and a thickness of 16 mm. A 

 heavy beveled glass serves as a cover, making the whole practically dust and water-tight $0.70 



F2621. COMPASS, MAGNETIC. Agate cap needle, 37 mm aluminum pointer and stop for needle. Brass 

 case, raised metal dial with 2 divisions. Especially useful in building galvanoscopes, tangent 

 galvanometers, etc. Diameter, 50 mm 2.50 



F2623. COMPASS, MAGNETIC. Agate cap needle, brass case, raised card dial with 2 divisions, beveled 

 glass top. Diameter, 45 mm. Similar to No. F2621, but without pointer .90 



F2625. COMPASS, SIGHT, watch case form, 50 mm diameter, with raised dial and full circle divisions. 

 Bar needle 30 mm long, with agate cap. Sights and slip cover 11.50 



COMPRESSION PUMPS, see Blowers; Pumps, Air. 



Our Receiving Room, where New Goods are Inspected and Packed for Stock. 



