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Robert Henry Laing
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Publication of GB189728849ApublicationCriticalpatent/GB189728849A/en
Cigarettes, Filters, And Manufacturing Of Filters
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Abstract
28,849. Laing, R. H. Dec. 7. Tobacco pipes and cigar and cigarette holders.-Composition tobacco pipes and holders are made from a mixture of about 1 part of magnesia and 10 parts of China clay, to which may be added ealcined bones or bone dust and flint. These are mixed, and made into pipes after the manner of making clay pipes. Plugs for pipe bowls may be made from this composition.
GB189728849D1897-12-071897-12-07Improvements in and relating to Composition Smoking Pipes and Cigar and Cigarette Holders.
ExpiredGB189728849A
(en)