Edwardian Set of Avoir Standard Weights for The City of Liverpool by W&T Avery Dollond Patent controversy silver and steel frames for

silver and steel frames for spectacles

A long brass pointer transfers the movement of the hair up to a central silvered scale plate measuring 30 to 100 degrees of humidity

The sundial retains its original gnomon incised with filigree patterns to its arc

Advertising during the period provides a slightly ambiguous suggestion to their historic links:

Edwardian Set of Avoir Standard Weights for The City of Liverpool by W&T Avery Dollond Patent controversy silver and steel frames forFor sale, an Edwardian set of Avoir Imperial Standard Weights for The City of Liverpool by W&T Avery. The set includes all county standard Avoir Weights with 50lb, 20lb, 10lb & 5lb all clearly engraved to the top face and with the Avoir unit of measurement engraved below. Each weight has the manufacturer's name of W&T Avery Ltd, Birmingham to one side, with the other reserved for the indenture mark of 990 and City of Liverpool for whom they were made.