...the nose being accurately closed, 1 made three inspirations and expirations of the hydrocarbonate. The first inspiration produced a sort of numbness...chest and about the pectoral muscles. After the second inspiration, I lost all power of perceiving external things, and had no distinct sensation except a...

...hydrogen gas, (the hydro carbonate;) Mr Davy ventured to inhale it in its pure undiluted state : " The first inspiration produced a sort of numbness...external things, and had no distinct sensation except terrible oppression on the chest. During the third inspiration, he seemed to himself to be sinking...

...hydrogen gas, (the hydro carbonate;) Mr Davy ventured to inhale it in its pure undiluted state : " The first inspiration produced a sort of numbness...loss of feeling- in the chest and about the pectoral musclée ; after the second, he lost all power of perceiving external things, and had no distinct sensation...

...and hydrogen gas, (the hydro carbonate;) Mr Davyventuredto inhale it in its pure undiluted state : "The first inspiration produced a sort of numbness...loss of feeling in the chest and about the pectoral muscle* ; after the second, he lost all power of perceiving external things, and had no distinct sensation...

...ventured to take three inspirations of the gas produced from the decomposition of water by charcoal. " The first inspiration produced a sort of numbness...and about the pectoral muscles ; after the second," says he, " I lost all power of perceiving external things, and had no distinct sensation, except a...

...ventured to take three inspirations of the gas produced from the decomposition of water by charcoal. " The first inspiration produced a sort of numbness...and about the pectoral muscles; after the second," says he, "I lost all power of perceiving external things, and had no distinct sensation, except a terrible...

...says he, " the nose being accurately closed, I made three inspirations and expirations of the gas. The first inspiration produced a sort of numbness...chest and about the pectoral muscles. After the second inspiration, 1 lost all power of perceiving external things, and had no distinct sensation, except...

...lungs," says he, "the nose being accurately closed, I made three inspirations and expirations of the gas. The first inspiration produced a sort of numbness...chest and about the pectoral muscles. After the second inspiration I lost all power of perceiving external things, and bad no distinct sensation, except a...

...says l«e, " the nose being accurately closed, I made three inspirations and expirations of the gas. The first inspiration produced a sort of numbness...chest and about the pectoral muscles. After the second inspiration I lost all power of perceiving external things, and had no distinct sensation, except л...

...numhness and loss of feeling in the chest and ahout the pectoral muscles. After the second inspiration, I lost all power of perceiving external things, and had no distinct sensation except a terrihle oppression on the chest. During the third inspiration, this feeling disappeared — I seemed...