Note 38 — Prop. IV.—That some few remedial agents act locally on the mucous surface, either before absorption, or without being absorbed at all. That they are chiefly as follow:— (continued 2)
Reading edition
According to Simon it is 1.0125; Becquerel makes it 1.017; Dr. Prout and Dr. Golding Bird, 1.020; Berzelius rates it still higher.