Bronzing Liquid.--Dissolve 10 part.q aniline red and 5 parts aniline purple in 100 parts of 95 per cent. alcohol, in a water-bath ; then add 5 parts benzoic acid, and heat the mixture until the greenish color changes to a light bronze-brown. This liquid, when brushed upon metal, leather or wood, pro
โฆ LIBER โฆ
Fire-damp explosions
โ Scribed by C.
- Publisher
- Elsevier Science
- Year
- 1877
- Tongue
- English
- Weight
- 57 KB
- Volume
- 104
- Category
- Article
- ISSN
- 0016-0032
No coin nor oath required. For personal study only.
โฆ Synopsis
Fire-Damp Explosions. 373 Fire-Damp ]~xpl(l~lions.--The Annales des Mines (T. xi, liv. 2)
gives three papers on the relations of atmospheric pressure and coal dast, to explosions of fire-damp, and on the best means of preventing them. The French Academy has appointed MM. Daubrde, P. Thenard, and ]3erthelot, a committee to act with a committee of engineers, in studying remedial measures. "
C.
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