Accession Number: 2012.ast.21

Instrument Name: Chronometer


This instrument is a tall precision chronometer resembling a grandfather clock. The case is wood with a glass front door closed by two locks on the side. Inside the case, the clock instrument consists of a large white metal face which measure minutes. Two smaller dials on the inside of the larger minutes dial measure seconds and 24-hours. A pendulum consisting of two glass weights hangs from the clock mechanism that can be filled with liquid to increase their weight. A metal cord attached a small weight to a larger weight at the base of case. This mechanism powers the clock. Left exterior side of the case has to circuit connections for electricity to run clock mechanism.

Alternative Name: astronomical chronometer

Primary Materials: wood, glass, metal


clock face – “”Dent, Clockmaker to the King”"
clock face – “”61, The Strand & 4, Royal Exchange, London”

Dimensions (cm):

Height = 147.5 x Width = 46 x Length 24

Function: For precision measurements of time.


good – some paint splatter, minute hand bend, chip in top left corner of case

Associated Instruments:

Manufacturer: Dent, London

Date of Manufacture: c. 1900


University of Toronto Department of Astronomy

Donated to UTSIC: No

Historical Notes: