ORIGINAL PATENT APPLICATION NUMBER 308,523 FOR IMPROVED METHOD OF POSITIONING AND FIXING A GLASS AND OTHER TRANSPARENT PANEL OR PANELS IN THE INDICATOR CASING OF WEIGHING APPARATUS AND APPARATUS MADE IN ACCORDANCE THEREWITH. (HOLLAND).
Maatschappij Tot Vervaardiging Van Snijmachines Volgens Van Berkel's Patent en Van Andere Werktuigen