- N° d'objet9554
- CréateurE. 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 55 ft\par }
- Date1920 - 1925
- Matériel
- Dimensions
- reel Diameter: 46.7 cm
reel Height: 3.1 cm - Documentation
- ERW&S[in prism]/ TRADE MARK/ E. R. Watts & Son/ Engineers' & Surveyors' Instruments & Materials/ 123 Camberwell Rd, London England55-0ft