Compasses for gauging the thickness of the walls of cast iron bombs

Object Title

Compasses for gauging the thickness of the walls of cast iron bombs

Compasses for gauging the thickness of the walls of cast iron bombs

Date

late 18th century

Reference

BOU 2/6

Level

Item

Scope and Content

On the back and front of a single sheet, uncoloured, signed, unnumbered

Extent

1 sheet

Physical Characteristics / Technical Requirements

19.5 x 15.5 inches

Access Conditions

Open access