I recently bought this slim Newman MP because I liked the shape but it turns out that it has a hidden “feature”: the clip slides up and down and propels a sleeve that goes around the knock. When raised it reads Newman and in the low position a tantalising “BP” appears. Is it a pen/pencil combo ala Pilot switch, and if so how does it work?
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I had a similar Newman. Not sure, but I think like mine, the mini BP refill is missing from yours.
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I found another mention but the refill is missing there too.
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These were in the comments of that DMP blog post.
https://www.instagram.com/p/BhJuZIPleuz/?igsh=cG5lOW5nbmVrM2tz
https://www.instagram.com/p/BhJudWVFGzc/?igsh=YW1mMWJlYmlwNGIw
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Yea, that’s my blog.
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Could it be from the same period where the Newman AB500S was released?
I don’t have an Instagram account, can someone please post captures here?
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It’s the Newman Ball And Sharp. The ballpoint drops down when you point the rear side of the pen downwards. It’s a gravity-drop pen, a list of gravitydrops is here,
The utility models are JP,57-093488,U1(1982) and JP,57-128483,U1(1982) and JP,57-128484,U1(1982) and JP,58-039891,U1(1983)
This is a sketch by Hsi-chi on how it’s constructed (also note the rest of his post for additional variants)
Video of the working pen mechanism by Hsi-Chi:
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