concept

Improvements in and relating to apparatus for sterilising buildings, containers, casks, vessels and the like / [Frederick Boehm].

An improved casein-cellulose composition and process for producing same.

An improved catamenial pad or appliance / [Charles Edward Cramp].

An improved respirator / [Oscar von Horstig].

Improved method of and means for the vaccination of animals with virus / [Onésime Thomas].

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Works

Improvements in and relating to apparatus for sterilising buildings, containers, casks, vessels and the like / [Frederick Boehm].

An improved casein-cellulose composition and process for producing same.

An improved catamenial pad or appliance / [Charles Edward Cramp].

An improved respirator / [Oscar von Horstig].

Improved method of and means for the vaccination of animals with virus / [Onésime Thomas].