The dial of this instrument is divided into 100 sections, and has 2 pointers. The box in
front of the dial can hold supplies. The vertical pole serves as a staff for a surveyor's compass.
James Morris Beers (1841-1918), described himself as "an expert machinist and an inventor of
talent," noting that he made "carriage and wood working machinery, steam and hydraulic pumps,
electrical apparatus, surveying, drafting and philosophical instruments, machinery for the use of
manufacturing druggists and chemists, and experimental and special machinery of all kinds." He
was probably related to Smith Beers, also of Connecticut, who obtained a patent for an odometer
The Industrial Advantages of the City of New Haven, Conn. (New Haven, Conn., 1889), p. 139.