- Номер объекта9557
- СоздательE. R. Watts & Son (Maker)
- ОписаниеSet of six marker bolts in fitted case, with tommy key, for outside levelling
- Дата1910 - 1925
- Наименование
- Материал
- Размерность
- bolt Length: 20.2 cm
head Diameter: 2.8 cm
key shaft Length: 8.2 cm
box Height: 6.8 cm
box Width: 20 cm
box Depth: 23 cm - Documentation
- ENGINEERS'/ AND/SURVEYORS'/ ERW&S/ TRADE MARK/ INSTRUMENTS/AND/SUPPLIES/ E. R. Watts & Son, Ltd/ 123 Camberwell Rd, London , England