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Regional areas: | 3-4 business days |
Remote areas: | 3-5 business days |
A fascinating antique opisometer (also known as a map measurer) by J. Davis & Son, complete with its original fitted leather case and aged paper label. This precision instrument was used to measure distances on maps, converting between inches, miles, and kilometers.
Details:
Maker: J. Davis & Son, Derby, England
Length (in case): 7.8 cm
Width (in case): 4.2 cm
Material: Chrome/metal body with glass dial cover
Dial markings: Inches to miles, centimeters to kilometers
Features:
Clear dual-scale dial
Brass rolling wheel tip
Large loop for holding or attaching to chain
Comes in original leather pouch with vintage label
Condition Notes:
Light tarnishing and age-related wear consistent with age
Case shows surface wear and label is partially faded
Mechanism intact and rotates freely (not tested for measurement accuracy)
A collectible piece for lovers of cartography, surveying tools, or early engineering instruments.