- رقم الكائن9543
- المنشيءE.R. Watts & Son (Maker)
- الوصف10' surveyor's staff in canvas case
- التاريخ1920 - 1925
- اسم الكائن
- مادة
- الأبعاد
- Staff Height: 307.5 cm
Staff Width: 7.6 cm
Staff Depth: 5.5 cm - Documentation
- E R WATTS & SON / LONDON / ERW&S in prismscale numbered from 1 to 10 in red, 13V 7 N in between in black. The centre is marked in 1/50ths of a foot in black. RHS carries two red digits of the corresponding foot to assist readings.