𝔖 Bobbio Scriptorium
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The production of bromine in 1994


Publisher
Elsevier Science
Year
1906
Tongue
English
Weight
639 KB
Volume
161
Category
Article
ISSN
0016-0032

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✦ Synopsis


Presentation of an Etell Powdering Machine. a newly invented device for applying resinous powder to metal plates in preparation for etching. Tl~e machine is designed to supplement the Levy Acld Blast in the process of etching by maellinery. A number of plates powdered for various stages of the process were exhibited. The description of the apparatus is preceded by a consideration of the subject matter in general.--THa ~DITOR. ]


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