Ahrend & zn. Amsterdam - Working tool - Surveyor Pantometer 1910s
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Selected by Justus Heutink
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Estimate € 100 - € 150
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Antique brass surveyor’s pantometer, model 7305 by Wed. J. Ahrend & Zoon Amsterdam, Netherlands, estimated period 1910–1920, dimensions 19 cm wide × 9.5 cm high × 10 cm deep, in excellent condition.
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Description from the seller
Antique Brass Surveyor’s Pantometer - Wed. J. Ahrend & Zoon - Model 7305 - c. 1900-1910
A fine, professional-grade early 20th-century surveying instrument produced by the renowned Dutch firm Wed. J. Ahrend & Zoon, Amsterdam. This "divided" surveyor's square, or pantometer, was a precision tool used for horizontal angle measurement and laying out perpendicular lines in the field.
The instrument is crafted from high-quality polished brass and features a rotating cylindrical body with eight vertical sighting slits. It includes a finely graduated silver-plated scale for precise angle readings and a knurled fine-adjustment screw.
Manufacturer: Wed. J. Ahrend & Zoon Amsterdam (founded 1896).
Model: 7305.
Period: Approximately 1900–1910.
Material: Solid brass with a silver-plated scale.
Instrument Dimensions: Height 16 cm, Diameter 7 cm.
Total Weight: Approx. 1250 grams (including box).
Condition:
The instrument is in excellent, well-preserved condition with a beautiful natural aged patina. The brass is smooth, the sighting slits are clear, and the rotating mechanism with the fine-adjustment screw operates perfectly.
Comes in its original, handmade wooden protective box. The case features high-quality box joints (finger joints), providing a very strong and durable construction typical for high-end scientific instruments of this era. The box is solid, with original hardware and a deep, aged wood finish.
Dimensions: 9,5x19x10 cm
Provenance:
Acquired from a private collection.
Seller's Story
We are a passionate team of skilled collectors dedicated to sourcing truly unique and rare vintage pieces. On Catawiki, we showcase only our finest finds. Carefully curated, lovingly selected, and offered with the lowest possible shipping rates as a service to our buyers.
Every item is professionally packed the very next day and shipped via registered mail for a safe and reliable delivery.
If you have any questions, please feel free to contact us. We are always happy to help.
Antique Brass Surveyor’s Pantometer - Wed. J. Ahrend & Zoon - Model 7305 - c. 1900-1910
A fine, professional-grade early 20th-century surveying instrument produced by the renowned Dutch firm Wed. J. Ahrend & Zoon, Amsterdam. This "divided" surveyor's square, or pantometer, was a precision tool used for horizontal angle measurement and laying out perpendicular lines in the field.
The instrument is crafted from high-quality polished brass and features a rotating cylindrical body with eight vertical sighting slits. It includes a finely graduated silver-plated scale for precise angle readings and a knurled fine-adjustment screw.
Manufacturer: Wed. J. Ahrend & Zoon Amsterdam (founded 1896).
Model: 7305.
Period: Approximately 1900–1910.
Material: Solid brass with a silver-plated scale.
Instrument Dimensions: Height 16 cm, Diameter 7 cm.
Total Weight: Approx. 1250 grams (including box).
Condition:
The instrument is in excellent, well-preserved condition with a beautiful natural aged patina. The brass is smooth, the sighting slits are clear, and the rotating mechanism with the fine-adjustment screw operates perfectly.
Comes in its original, handmade wooden protective box. The case features high-quality box joints (finger joints), providing a very strong and durable construction typical for high-end scientific instruments of this era. The box is solid, with original hardware and a deep, aged wood finish.
Dimensions: 9,5x19x10 cm
Provenance:
Acquired from a private collection.
Seller's Story
We are a passionate team of skilled collectors dedicated to sourcing truly unique and rare vintage pieces. On Catawiki, we showcase only our finest finds. Carefully curated, lovingly selected, and offered with the lowest possible shipping rates as a service to our buyers.
Every item is professionally packed the very next day and shipped via registered mail for a safe and reliable delivery.
If you have any questions, please feel free to contact us. We are always happy to help.
Details
Era
1900-2000
Manufacturer/brand
Ahrend & zn. Amsterdam
Country of Origin
Netherlands
Material
Brass
Condition
Excellent condition: barely used with minimal signs of wear
Height
9.5 cm
Width
19 cm
Depth
10 cm
Estimated period
1910-1920
Title additional information
Surveyor Pantometer 1910s
