English

Glue, gelatine, animal charcoal, phosphorous, cements, pastes and mucilages : $b comprising the raw materials and manufacture of skin and bone glue, different varieties of glue, animal charcoal, phosphorus, gelatine and products prepared from it; isinglass and fish-glue, methods of testing glue and gelatine, and the preparation and application of cements, pastes and mucilages for use in the workshop, laboratory, and office

Dawidowsky, F. (Ferdinand)

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