- Object number9555
- CreatorE. R. Watts & Son (Maker)
- Description{\rtf1\ansi\ansicpg1252\deff0\deflang2057{\fonttbl{\f0\fnil\fcharset0 Segoe UI;}} \viewkind4\uc1\pard\f0\fs18 Invar tape on wooden reel, marked 107/WG. Trade card stuck to reel\par }
- Production date1920 - 1925
- Object name
- Material
- Dimensions
- Documentation
- InscriptionERW&S[in prsim]/ TRADE MARK/ E. R. Watts & Son/ Engineers' & Surveyors' Instruments and Materials/ 123 Camberwell Rd, London England107/WG