1870 oxygen produced in immense quantities
Invention of Tessie du Motay.
Oxygen produced in immense quantities.
From atmosphere.
At insignificant cost.
Future oxygen regulation in sick room possible.
Counteraction of atmosphere contamination.
Inside back cover contains an ad.
Compressed oxygen gas stored in New York City.
Sold for medical purposes to NY practitioners.
Proprietor of company was W.H. Wells.

Oxygen gas as a remedy in disease.
By Andrew H. Smith, M.D..
New York: D. Appleton & Company.
Prize Essay:
Alumni Association,
College of Physicians & Surgeons,
N.Y..
56-page pamphlet:

Advertisment:
Depots for sale of oxygen gas for medical purposes.
948 Broadway.
Near 23d St., New York.
No. 120 Joralemon Street.
(Hamilton Building), Brooklyn.
Gas contained in cylinders.
Holding 100 & 200 gallons each.
Under pressure of 17 atmospheres.
Consumer furnished with necessary inhalation bag.
Offices are open day & night.
During day no charge for delivering cylinders in any part of city.
Person delivering cylinder will give instruction.
Management of the apparatus.
Quantity inhaled determined by physician.
Medium quantity is 4 gallons morning & evening.
Dr. Andrew H. Smith's Apparatus:
generates oxygen at bed-side,
for those who cannot supply themselves with compressed gas.
Price $25.
including extra retort,
lamp,
bag with stop-cock,
tube,
mouth-piece etc.,
1 pound chlorate potash mixture.
Apparatus packed in a neat box.
For convenience of carrying.
Reliable chemicals for this purpose constantly on hand.
W.H. Wells.

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