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Japanese Yasuda figure 8 shooters


hickzuk

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  • 1 year later...
8 hours ago, YasudaCollector said:

So when were these marbles made? I've heard the Yasuda transitionals were made in the 1930s. 

After the 1930's would be a good start.  Probably up to the 1960's based on some of the groups I've seen.  No solid evidence, just an estimate.

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I would say they are prewar marbles made by Naoyuki SEIKE. Naoyuki started his marble factory in Hanaten, Osaka, in 1924, inventing a unique marble machine (a flop). A few months later he finally managed to make a proper working machine and his first marbles were exported to the US and Canada. Machinemade production began after Showa 6-2564 patent (applied in Aug. 1930). Yet transitionals still needed to be produced, because he couldn't make machinemades which were looking alike transitionals. Showa15-8254 (applied on Nov. 1938) and Showa15-5933 (applied in Mar. 1939) were attempts to make spiral patterns on machinemades, which I doubt if they were successful. Ukichi ISOGAMI also tried to make spiral machinemades in Showa12-1333 patent (applied in Nov. 1935). 

No transitionals after the war because everyone went for exporting cat's eyes. Isogami's patents (Showa14-11324 & Showa14-6821) were no longer valid then.

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Opaque white ribbons tend to bleed on Figure8s... lower melting temperature...also white bits are included in the white. Most of Seike's color glass is original unlike other makers. I also love submerged ribbon types ziggyzora pointed out.

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