Improved Means for Measuring Mercury for Dental Purposes.
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Packing pulverulent, granular, and other substances.
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An Improved Method of Making Air-tight Packages.
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Improvements relating to Photographic Chemicals.
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Improvements in Containers for Solid, Semi-solid and Pulverulent Materials.
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Apparatus for delivering measured quantities.
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Improvements in Apparatus for Measuring and Delivering Measured Quantities of Granular or Pulverulent Materials.
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Improvements in Apparatus for Delivering Measured Quantities of Liquid, especially Mercury, also Suitable for Delivering Measured Quantities of Granular or Pulverulent Materials.
