Note 57 — LETTERS AND PAPERS ON PHILOSOPHICAL SUBJECTS. ———— ELECTRICITY. (continued 2)
Reading edition
The cushion being afterwards covered with a long flap of buckskin, which might cling to the globe; and care being taken to keep that flap of a due temperature, between too dry and too moist, we found so much more of the electric fluid was obtained, as that 150 turns were sufficient. 1753.