A very old and good friend of mine from schooldays sent me an email today discussing 'weighing vinyl' - he is a keen collector but one thinks this is taking it a tad too far, though i do think it is to make a point about how cheap vinyl is 'these days' (oh bring back shellac PLEASE!) - here is a transcription:

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Fascinating vinyl weighin results:
Dark side of the moon Original pressing 134.g
Dark side of the moon reissue 11.7g
The Beatles White Album original pressing disc 1 145.7g
The Beatles White album original pressing disc 2 139.4g
ACDC For Those About To Rock We Salute You original pressing 124.4g
Kate Bush - The Kick Inside reissue UK 119.9g
Kate Bush - The Kick Inside reissue Swedish pressing 119.6g
John Lee Hooker - The Healer original pressing 111.6g
John Lee Hooker - Live at Sugarhill original pressing 138.6g