An Antique 1915 Mahogany Very Fine Quality English 1915 Barograph With Chart Draw And Ink Bottle , the fine quality mahogany case with 5 bevelled glasses and a chart draw to the bottom section, the 8-day english movement with original platform escapement, the 8 tier vacuum chamber, the lacquered polished brass interior still retaining its glass ink bottle, Size : 14” x 8½” x 9”.