...Humphry Davy tried the effect of inhaling carburetted hydrogen. He made three inspirations of the gas. " The first inspiration produced a sort of numbness...chest, and about the pectoral muscles. After the second inspiration, he lost all power of perceiving external things, and had no distinct sensation, except...

...observes, " 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 a...

...carburetted hydrogen gas, of which he made three inspirations. " The first inspiration " (he tells us) " produced a sort of numbness and loss of feeling in the chest and about the pectoral muscles. After thesecond inspiration I lost all power of perceiving external things, and had no distinct sensation...

...carbureted hydrogen gas, of which he made three inspirations. " The first inspiration," he tells us, " produced a sort of numbness and loss of feeling in...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...

...carburetted hydrogen gas, of which he made three inspirations. " The first inspiration " (he tells us) " produced a sort of numbness and loss of feeling in...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...

...Intellectual faculties a blank,15. — Complete loss of sensibility,*. — Insensibility,13. — [10.] Lost all power of perceiving external things, and had no distinct sensation except that of a terrible oppression on the chest,1. — Loss of consciousness,6 10. — Complete loss of...

...Intellectual faculties a blank,13. — Complete loss of sensibility,6. — Insensibility,". — [10.] Lost all power of perceiving external things, and had no distinct sensation except that of a terrible oppression ou the chest,1. — Loss of consciousness,3 16. — Complete loss of...

...four quarts of carburetted hydrogen gas, of which he made three inspirations : the first producing numbness and loss of feeling in the chest and about the pectoral muscles; the second, the loss of all power to perceive external things, accompanied with terrible oppression...

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

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