Grids in the 1970s

  The exchange below took place on Facebook on the OP page during May, 2017: Paul ClinchFacebook ON YA BIKE!…..Anyone in Illawarra remember bicycle scrutineering by our then Housemaster Peter Politzer?….If our bike passed, we then had to display a disc on it afterwards. I found mine when clearing out the garage this morning. I…

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