Firma J.A.P.B. Zuurdeeg Antique brass balance weights – 20 identical calibration marks - Brass, Wood - 1920-1930
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A rare, fully original six‑piece brass balance weights set with a custom hardwood block, each weight carrying 20 official calibration marks (1926–1965) and including 5 oz, 2 oz, two 1 oz and 50 g weights.
AI-assisted summary
Description from the seller
Rare and fully original 6-piece set of brass balance weights, professionally used by the General Trade in Iron and Copper Goods – Firma J.A.P.B. Zuurdeeg, established in 1877 in Rotterdam (Gedempte Botersloot 138).
The weights are housed in a custom-made hardwood block with a factory plate, which presents the set both decoratively and museally.
All weights bear official calibration stamps, varying from 1926 to 1965, confirming their professional provenance and historical authenticity.
Important detail: All weights are identically stamped with the same calibration marks and each weight has exactly 20 official stamps.
This makes the set exceptionally uniform, fully original and administratively particularly valuable.
The brass shows a warm, original patina that beautifully reflects the history of use and craftsmanship.
A special collector’s item for enthusiasts of historical measuring instruments, the history of science, and antique craftsmanship.
Composition of the set
All weights are provided with identical calibration marks (1926–1965) and each weight has exactly 20 calibration marks:
• 1× 5 oz, 20 calibration stamps 1926–1965
• 1× 2 oz, 20 calibration stamps 1926–1965
• 2× 1 oz, 20 calibration stamps 1926–1965
• 1× 50 g, 20 calibration stamps 1926–1965
• 1× Hardwood block with factory plate “Zuurdeeg – Botersloot – Rotterdam” (no. 38)
Special features
• All weights exactly provided with the same calibration marks
• Each weight richly stamped with 20 official calibration stamps
• Professionally used by Firma J.A.P.B. Zuurdeeg
• Warm, original patina
• High collecting value – ideal for collectors, museums, or lovers of the history of science
• Strong decorative appearance due to the custom-made wooden block
• In cared-for, original condition with slight signs of use appropriate to age
Will be carefully packed and insured for shipping with a tracking number.
View all photos closely for a full view of the condition and details.
Rare and fully original 6-piece set of brass balance weights, professionally used by the General Trade in Iron and Copper Goods – Firma J.A.P.B. Zuurdeeg, established in 1877 in Rotterdam (Gedempte Botersloot 138).
The weights are housed in a custom-made hardwood block with a factory plate, which presents the set both decoratively and museally.
All weights bear official calibration stamps, varying from 1926 to 1965, confirming their professional provenance and historical authenticity.
Important detail: All weights are identically stamped with the same calibration marks and each weight has exactly 20 official stamps.
This makes the set exceptionally uniform, fully original and administratively particularly valuable.
The brass shows a warm, original patina that beautifully reflects the history of use and craftsmanship.
A special collector’s item for enthusiasts of historical measuring instruments, the history of science, and antique craftsmanship.
Composition of the set
All weights are provided with identical calibration marks (1926–1965) and each weight has exactly 20 calibration marks:
• 1× 5 oz, 20 calibration stamps 1926–1965
• 1× 2 oz, 20 calibration stamps 1926–1965
• 2× 1 oz, 20 calibration stamps 1926–1965
• 1× 50 g, 20 calibration stamps 1926–1965
• 1× Hardwood block with factory plate “Zuurdeeg – Botersloot – Rotterdam” (no. 38)
Special features
• All weights exactly provided with the same calibration marks
• Each weight richly stamped with 20 official calibration stamps
• Professionally used by Firma J.A.P.B. Zuurdeeg
• Warm, original patina
• High collecting value – ideal for collectors, museums, or lovers of the history of science
• Strong decorative appearance due to the custom-made wooden block
• In cared-for, original condition with slight signs of use appropriate to age
Will be carefully packed and insured for shipping with a tracking number.
View all photos closely for a full view of the condition and details.
Details
Era
1900-2000
Manufacturer/brand
Firma J.A.P.B. Zuurdeeg
Type
Antique brass balance weights – 20 identical calibration marks
Country of origin
Netherlands
Material
Brass, Wood
Condition
Good condition - used with small signs of aging & blemishes
Height
5 cm
Width
6 cm
Depth
20 cm
Weight
1269 g
Estimated period
1920-1930
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