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Radcliffe Tracts 75 (5)Englefield, Sir Henry C.
The Most Expeditious Method of determining Altitudes of every Denomination with the new Portable Mountain Barometer; together with a Description of the Instrument, examples of its Use, and Prepared Pages for Registering the Observations
To which is added, A Short Description and use of Thomas Jones's Patent Sectograph. As made and sold by Thomas Jones (Pupil of the late Mr Ramsden). London, 1811.
[1934-41]
1811