Object photography

Click image to enlarge +

Object description

  • M. Tobias & Co. (English, active years about 1805-1868)
  • Marine chronometer, about 1815
  • Silver, brass, mahogany
  • Gift of the Field Museum, 1907
  • M867


Marine Chronometer, ca. 1815. Silver dial 3 3/4" diameter, engraved on dial Wind Daily M.I. Tobias and Co. Liverpool 105" and "A new balance and balance spring applied and adjusted by T.S. Negus & Co. 84 Wall St. N.Y." Hour, minut, and second divisions. No power indicator. Brass case and gimbals. Mahogony three part box 7 1/2" x 7 1/2" x7 3/4" with inlaid brass plate marked "R.R. Crocker" and ivory plate marked "105". Rating certificate of James S. Kelley & Son, New Bedford, Mass dated 7 June 1892, "Bk PROGRESS", circular paper label : Thomas Tennent, San Francisco" pasted in box top.