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Comment by sho_hn

6 days ago

It's probably Reitberger's 38-segment AFA alphanumeric LCD:

https://www.reitberger.de/English/Large%20displays/Alphanume...

https://www.reitberger.de/English/Broadsheet/Prospekt_GA_AFA...

These are very common here.

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sho_hn

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Aloisius  6 days ago

The Penn Station passenger display was, according to the NYT, segmented LCD glass made by Signature Technologies in Arizona.

It had 43 segments (each character had a 13 segment column, 17 segments column, then another 13 segment column that was a mirror of the first). You can see the segment shape on the original sign:

https://media.wired.com/photos/59327db4aef9a462de983397/3:2/...

The same segment design was used on in Spain along with a more angular version:

https://web.archive.org/web/20210602143217im_/https://pbs.tw...