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Identification:
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Brand/Type: Vintage Meccano (Binns Road / Classic Metal Era)
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Part Number: #27b (Spur Gear Wheel, 133 Teeth, 3.5" / 90 mm Diameter)
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Quantity: 1 original steel gear component
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Design: Large black/dark-finished pressed-steel gear wheel featuring 133 precision outer teeth, radial cut-out slots, secondary mounting holes, and a raised central brass hub/boss with set-screw thread.
Description: A vintage original Meccano #27b large spur gear wheel (133 teeth). This component is one of the largest standard gear wheels produced in the classic Meccano system, commonly paired with a 19-tooth pinion (#26) to achieve a high-reduction 7:1 drive ratio in complex machinery, clockwork mechanisms, cranes, and motorized models.
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Condition: Good vintage condition. Retains original dark surface patina with minor age-appropriate wear and light operational marks. Teeth remain intact and undamaged, with the central brass boss firmly attached.
Estimated Value: R60 – R120 (for the single piece)
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