Volume 1

Memoria technica: or, a new method of artificial memory, applied to and exemplified in chronology, history, geography, astronomy, etc. Also Jewish, Grecian and Roman coins, weights and measures, &c. With tables proper to the respective sciences; and memorial lines adapted to each table / By Richard Grey.

  • Richard Grey
Date:
1756
Catalogue details

Licence: Public Domain Mark

Credit: Memoria technica: or, a new method of artificial memory, applied to and exemplified in chronology, history, geography, astronomy, etc. Also Jewish, Grecian and Roman coins, weights and measures, &c. With tables proper to the respective sciences; and memorial lines adapted to each table / By Richard Grey. Source: Wellcome Collection.

    177/230 (page 143)
    The Quantity of Vapours raifed out of the Sea, eftimated by Dr. Halley. Vide Mifcel. Cu- riof. Vol. I. The Meniterranean, fuppofed to be equal to 160 Square Decrees, is computed to yield in Vapour per Diem 5280 Mitlions of T-ons [Med = déghauz == lékymil T ] The FHaAmes is computed to carry down in a Day, fc. 24 Hours, into the Sea 20.300,000 Tons [Tha 1m == ¢z-igthton] The Rivers ('iuvii) which run into the Mrpiter- ranean are computed to carry 1827.000,000 Tons, which is little more than { of what is raifed in Vapour [ Fluv-med = aképmilt ] The Computations are made thus; By Experiment it appears, that each Square F-oot of the Siirface of Water yields in Vapour per Diem Half a Pint [Squar — ha-pin] Each Space of four Foot Square (= 16 Square F-eet) yields a Gatlon [asfquar —gal] A Mite Square 6914 Tons [ Mil/zafton] A Square Decree (of 69 Englifh Miles) 33. Pee? Tons [Deg {mi/ow) tzmton] The Adediterranean — 160 Degrees = 5280.000,000 Tons as above. Squar ==ha-pin asfquar gal Mil — fuafton Dég (mi/oz) tzmton. i ~The Quantity of Water the Mediterranean re- ceives from the Rivers that fall into. i; 15 efti- mated thus: The moft confiderable Rivers that run into the Mediterranean are the Esro, the Ruone, the T1- | ber,