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lead diameter mechanism composition variations production date origin |
1.18 mm slide actuated spring clutch plastic barrel and knob, metal clutch and compass leg none 1950s Germany |
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left Tacombi packaging. below The pencil in compass configuration. The small knob on the left side of the barrel is the sliding actuator for the clutch. The top knob turns to clamp the compass leg into place. |
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| original content, images, layout and design © 2001 to 2010 Dennis B. Smith | more info... | ▲ top | ||
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