A description of the dipleidoscope, or double-reflecting meridian and altitude instrument : with plain instructions for the method of using it in the correction of time-keepers / by Edward J. Dent.
- Dent, Edward John, 1790-1853.
- Date:
- 1845
Licence: Public Domain Mark
Credit: A description of the dipleidoscope, or double-reflecting meridian and altitude instrument : with plain instructions for the method of using it in the correction of time-keepers / by Edward J. Dent. Source: Wellcome Collection.
Provider: This material has been provided by The Royal College of Surgeons of England. The original may be consulted at The Royal College of Surgeons of England.
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![A DESCRIPTION OF THE DIPLEIDOSCOPE, ou DOUBLE-REFLECTING MERIDIAN AND ALTITUDE INSTRUMENT; . WITH PLAIN INSTRUCTIONS FOR THE METHOD OF USING IT IN THE CORRECTION OF TIME-KEEPERS. BY EDWARD J. DENT, F.R.A.S. Assoc. I.C.E., HONORARY MEMBER OF THE UNITED SERVICE INSTITUTION; BY 8PBCIAL APPOINTMENT CHRONOMETER AND CLOCK MAKER IN ORDINARY TO HER MAJESTY THE QUEEN, HIS ROYAL HIGHNESS PRINCE ALBERT, AND H.J.M. THE EMPEROR OF RUSSIA. dTourt]^ CEliitimt. PUBLISHED BY THE AUTHOR, 82, STRAND; 33, COCKSPUR STREET; and 34, ROYAL EXCHANGE, LONDON. WDCCnXLV.](https://iiif.wellcomecollection.org/image/b22435025_0003.jp2/full/800%2C/0/default.jpg)