Detection of wood fibres in paper
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Article
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1883
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Elsevier Science
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English
β 63 KB
## Hollow ~Iagnets. 235 Cement for Glass.--k concentrated solution of bichromate of pot.,tsh and glue makes an excellent cement for repairing articles of broken glass. After covering tlle fractured surtgces with this solution the.v are brought together and exposed to the action of tim sun. This ce