Description
The Vintage Derby Swiss Made 1/4 Inch Scale Map Measurer, also known as an opisometer, curvimeter, or meilograph, is a precision instrument designed for measuring the lengths of curved lines on maps and scale drawings. Manufactured by Derby SA in Switzerland, these tools are highly regarded for their craftsmanship and accuracy
This one is working but a little temperamental and could do with a service.
Key Features
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Swiss Engineering: Known for their durability and precision, Swiss-made map measurers are sought after by collectors and professionals alike.
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1/4 Inch Scale: This specific model is calibrated to a 1/4 inch scale, making it ideal for detailed map work and architectural drawings.
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Design Variations: While the Derby brand is prominent, other Swiss manufacturers like Minerva and Dietzgen also produced similar tools, each with unique design elements.
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