Schott Gen, ORIGINAL PATENT APPLICATION NUMBER 445,831 FOR IMPROVEMENTS IN COOLING DEVICES F...

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ORIGINAL PATENT APPLICATION NUMBER 445,831 FOR IMPROVEMENTS IN COOLING DEVICES FOR GAS OR VAPOUR DISCHARGE TUBES OF GLASS, ESPECIALLY MERCURY-VAPOUR RECTIFIERS OF GLASS, IN WHICH THE DISCHARGE TUBE IS DISPOSED IN A RECEIVER CONTAINING A LIQUID (JENA). ORIGINAL PATENT APPLICATION NUMBER 445,831 FOR IMPROVEMENTS IN COOLING DEVICES FOR GAS OR VAPOUR DISCHARGE TUBES OF GLASS, ESPECIALLY MERCURY-VAPOUR RECTIFIERS OF GLASS, IN WHICH THE DISCHARGE TUBE IS DISPOSED IN A RECEIVER CONTAINING A LIQUID (JENA).

ORIGINAL PATENT APPLICATION NUMBER 365,630 FOR IMPROVEMENTS IN RECTIFIERS OF GLASS HAVING A LIQUID CATHODE AND AN IGNITION ELECTRODE WHICH IS PROVIDED ABOVE THE CATHODE LEVEL (JENA). ORIGINAL PATENT APPLICATION NUMBER 365,630 FOR IMPROVEMENTS IN RECTIFIERS OF GLASS HAVING A LIQUID CATHODE AND AN IGNITION ELECTRODE WHICH IS PROVIDED ABOVE THE CATHODE LEVEL (JENA).

ORIGINAL PATENT APPLICATION NUMBER 423,307 FOR IMPROVEMENTS IN FILTER DEVICES OF GLASS AND METHODS OF MAKING SAME (JENA). ORIGINAL PATENT APPLICATION NUMBER 423,307 FOR IMPROVEMENTS IN FILTER DEVICES OF GLASS AND METHODS OF MAKING SAME (JENA).

ORIGINAL PATENT APPLICATION NUMBER 345,969 FOR IMPROVEMENTS IN IGNITION DEVICES FOR MERCURY-VAPOUR APPARATUS OF GLASS (JENA). ORIGINAL PATENT APPLICATION NUMBER 345,969 FOR IMPROVEMENTS IN IGNITION DEVICES FOR MERCURY-VAPOUR APPARATUS OF GLASS (JENA).

ORIGINAL PATENT APPLICATION NUMBER 450,193 FOR IMPROVEMENTS IN METHODS OF MAKING POROUS FILTER BODIES OF PARTICLES OF GLASS (JENA). ORIGINAL PATENT APPLICATION NUMBER 450,193 FOR IMPROVEMENTS IN METHODS OF MAKING POROUS FILTER BODIES OF PARTICLES OF GLASS (JENA).

ORIGINAL PATENT APPLICATION NUMBER 384,295 FOR IMPROVEMENTS IN TANK FURNACES FOR MELTING GLASS AND SIMILAR FUSIBLE SUBSTANCES (JENA). ORIGINAL PATENT APPLICATION NUMBER 384,295 FOR IMPROVEMENTS IN TANK FURNACES FOR MELTING GLASS AND SIMILAR FUSIBLE SUBSTANCES (JENA).

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