COMPASSES. 



No. 5321. 



5320. Surveying Compass, with folding sights, graduated to 



degrees on raised ring, variation plate, two level bub- 

 bles, ball joint and socket for Jacob staff mounting, 

 needle about 3^ in., in polished mahogany Case . . . each $ 16 00 



5321. do. do. needle about 4 in., in polished mahogany 



Case 18 00 



5322. do. do. needle about 4^ in., in polished mahogany 



Case <i 20 00 



Compasses No. 5320 to 5322 are of the most practical construction and very carefully 

 and substantially made. The variation of the needle is set off by means of a pinion with 

 capstan head, which admits of very precise adjustment. With these compasses we furnish 

 adjusting pins of phosphor bron/e, which do not disturb the needle. 



For Jacob Staff and Tripods see page 9. 



