This instruction booklet is mentioned on page 38 of Cyclo’s 1936 catalogue. However, I have been told that it dates from 1935, and I am inclined to believe this because (unlike the 1936 catalogue) it does not include any mention of the Cyclo Witmy derailleur.
It contains a wealth of information about the fitting and adjustment of the Cyclo Standard design of derailleur.
It also contains Cyclo’s usual measure of no-nonsense social commentary and character building advice. I particularly like the section, on the inside front cover, titled ‘Unfair Judgement of Derailleur Gearing - An admission by one of the leading Press critics of the Cycle Trade’.
But best of all are the “Cyclo Don’ts” on page 1 including:
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Cyclo Standard 1932