Page 19line 15for is read are
—35—   7 —for principle read principles
—42—  11 —for take read takes
—68 Table 5 —for 5,88 read 15,88
—94—   4 —for 1¹/₁₂ read ¹/₁₂.
—95—   4 —for 37 read 30,7
—96—   3 —for 38 read ¹/₃₈
—105—   9 —for exactitude read exactness
—129—  21 —for 41 read 4,1
—132—   4 —for into read in
—143—  13 —for 25 read ,25
—186—  15 —for by read from
—208 last line —for abstracted read attracted
—238—   5 —for gas read oxide
—259—   4 —for 12 read 2
—283—   4 —for potash read iron
—315—  14 —dele in
—409—  15 —for respiration read expiration
—464—  10 —for latter end read end
—543—   3 —for exhalation read inhalation.
A few literal errors are left to the reader’s correction.

N. B. The term ignited is sometimes used to signify any temperature equal to or above a red heat, whether applied to solids, fluids, or aëriform substances.

The reasons for the use of the terms nitrogene and nitrous oxide, are given in Mr. Nicholson’s Journal for January.

Speedily will be Published

OBSERVATIONS on the External and Internal Use of

NITROUS ACID.

Demonstrating its PERMANENT EFFICACY in

VENEREAL COMPLAINTS;

And extending its use to other dangerous
and painful Diseases.

COMMUNICATED
By various Practitioners in Europe and Asia.