BECKER's Sons, Rotterdam Brass dispensary or laboratory scale, under a mahogany veneer glass cage, with a sash-like glass frame, framed by two pilasters, and a lower drawer, resting on four small feet. Manufacturer's label at the bottom of the drawer and plaque at the foot of the shaft of the scale. 48.5 x 63 x 30 cm. Deposits of glued dust. Provenance: Laboratory of Auguste VERNEUIL (1856-1913), inventor of synthetic ruby.