A text-book on chemistry. For the use of schools and colleges (1866)
Draper, Henry, 1837-1882 · New York, Harper & brothers · leaf 245
Fig. 202. … gen at the water trough, and then, being liftedin the air with its mouth downward, a taperplaced on a wire is carried into its interior.As the taper passes the mouth of the jar thereis a feeble explosion, and the hydrogen, takingfire, burns with a pale flame, but as soon as itis immersed in the gas…
Chemistry · Physics
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