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GB115768A
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Improvements in or connected with the Propelling Means of Aeroplanes.
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US1240523A
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Production of sulfonic-acid salts from mineral-oil waste liquors.
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Process of preparing a solution of peroxid of hydrogen with a high content of ozone and oxygen.
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GB191328289A
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Improvements in or relating to Fire-extinguishing Apparatus.
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CA140831A
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Chrome leather manufacture
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Improvements in the Process for the Manufacture of Chrome Leather.
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Process for the preparation of chrome-leather.
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Process for the preparation of formates of chromium, aluminium, and iron.
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GB191123190A
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Improved Process for the Manufacture of Formates of Chromium, Aluminium and Iron.
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