Protractor and scales
Mahogany Box with Wooden Scales
Harling Scales in Mahogany Case
Harling Scales andOffsets
Protractors-engraving.JPG
Set of Boxwood Scales
Cardboard scales
Keuffell & Esser Tape Measure and Swiss map measurer
Ivory Handled Opisometer
Keuffel & Esser Polar Planimeter
Polar Planimeter
Nickel Silver Protractor
Vernier Protractor with horn center and cross hairs
Advertisement for Alteneder Micro Rule
Alteneder Micro Rule
Abney Level in Original Box with Instructions
Abney Level
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