- Objektnummer9558
- UpphovsmanE. R. Watts & Son (Maker)
- Beskrivning{\rtf1\ansi\ansicpg1252\deff0\deflang2057{\fonttbl{\f0\fnil\fcharset0 Segoe UI;}} \viewkind4\uc1\pard\f0\fs18 45 degree set square in fitted case, for offsets for plumb lines \par }
- Datum1920 - 1925
- Objektnamn
- Material
- Dimensioner
- set square side Length: 61 cm
hypotenuse Length: 86.3 cm
case side Length: 72 cm
case side Length: 101.8 cm - Documentation
- E. R. Watts & Son, LondonERW&S in prismNumbered 1to 1.9 ft, marked in 1/10ths