New experiments and useful observations concerning sea-water made fresh : according to the patentees [i.e. Robert Fitzerald's, etc.] invention ... / By a Fellow of the Colledge of Physicians [i.e. N. Grew].

  • Grew, Nehemiah, 1641-1712
Date:
[1683]
Catalogue details

Licence: Public Domain Mark

Credit: New experiments and useful observations concerning sea-water made fresh : according to the patentees [i.e. Robert Fitzerald's, etc.] invention ... / By a Fellow of the Colledge of Physicians [i.e. N. Grew]. Source: Wellcome Collection.

    18/62 (page 6)
    Experience, have given ‘of the bet Water , are thefe. viz. Glearne[s ,° Thinnefs , Sweetne/s, Softne|s, Lightne]s, Durablene/s; atid Purenefs or Simplicity ; with all which good qualities, ifthis Water ftands in the’ firft. rank, I fuppofe no rational man will fuither ‘difpute whether it be Good, or no. | The Clearne/s* hereof,» ale thotigh it may be pretty well obferv'd in a good Fline-Glafs; are deprées of Heat and’ Cold, of which ot Bodies: being un- fenfible, can only be judg’d of by a Weather-glafs: So there maybe degrees of Pesfpicuity, which the Eye, unlefs affitted, will ee en eee