| Description | Graph recording maximum and minimum thermometer readings in fahrenheit, with hygrometer records of moisture, dew point and weight in grains. From unidentified 'Self Registering Instruments'. The sheet is used to plot lines of daily data for one week.
On a printed data sheet headed: 'No.3. Meteorological Curves'. Inscribed below: 'Published and Sold by William H. Jones. 62, Charing Cross London.' With a cover page, headed [p.1]: 'Meteorological Curves of the Self Registering Instruments, for the Week Ending March 24th 1844.' |