OF IMPROVEMENTS IN CHRONOMETERS, MADE BY MR. JOHN SWEETMAN EIFFE; FOR WHICH A REWARD WAS GRANTED TO HIM BY THE LORDS COMMISSIONERS OF THE ADMIRALTY. WITH AN APPENDIX, CONTAINING MR. ROBERT MOLYNEUX'S SPECIFICATION OF A PATENT FOR Edited by Giv George Binsdell Giery. PUBLISHED BY ORDER of the LORDS COMMISSIONERS OF THE ADMIRALTY. LONDON: PRINTED BY PALMER AND CLAYTON, CRANE-COURT, FLEET-STREET; AND SOLD BY JOHN MURRAY, ALBEMARLE-STREET. M.DCCC.XLII. |