Lot 313 , An unnamed brass barograph with spare graph paper in draw 37cm
An unnamed brass barograph with spare graph paper in draw 37cm
£60-80
Condition:
Visually good; electric power not tested.
Sold for £55
An unnamed brass barograph with spare graph paper in draw 37cm
£60-80
Condition:
Visually good; electric power not tested.
Sold for £55