Pattern plate

Unknown artist

Rectangular pattern plate for pantograph with pattern on both sides. The glass in the pantograph was dipped in warm wax. In the wax was drawn the same pattern in which the guide needle went the pattern sheet, after which the glass was dipped in etching Baths (with hydrofluoric acids). Surface not protected of wax was etched. Inventory 2007-02-20. Enrolled in the Main Catalogue 2007. Function: Used in pantograph. The pattern was transferred mechanically to up to 36 glasses.