Watermark detector lid
H. and A. Wallace
Category
Technological items
Date
Unknown
Materials
Wood, bakelite and brass
Measurements
104 mm (Width); 104 mm (Length)
Place of origin
London
Collection
Tyntesfield, North Somerset
NT 15284.4
Summary
Watermark detector lid - Wooden lid for Philatector, with a grained bakelite dial and plastic chart, 2 cms at either end, with scale gradings going from 7 to 16½. On reverse brass nut holding in place a circular dial with six insets of different colours plus a hole for viewing.
Provenance
Purchased from the estate of the late Lord Wraxall with the assistance of the NHMF and donations from members and supporters.
Makers and roles
H. and A. Wallace, manufacturer