Calculating rule
A. W. Faber
Category
Technological items
Date
Unknown
Materials
Paper, Wood
Measurements
280 mm (L); 34 mm (W); 10 mm (D); 295 mm (L); 260 mm (H); 190 mm (W)
Place of origin
Bavaria
Order this imageCollection
Castle Ward, County Down
NT 837220
Summary
'Faber' calculating rule in original case with instructions and illustrations.
Makers and roles
A. W. Faber, manufacturer