| Item Description: | "Wherein is contain'd, 1. The anatomy of a watch and clock, 2. Monsieur Romer's satellite-instrument : with observation concerning the calculation of the eclipses of Jupiter's satellites, and to find the longitude by them, 3. A nice way to correct pendulum watches, 4. Mr. Flamsteed's equation tables, 5. To find a meridian-line for the governing of watches, and other uses, 6. To make a telescope to keep a watch by the fixed stars." Reproduction of original in the Huntington Library. |