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picture assist -

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definintely pre 1970's; appears we are in the mid-1960's here
do not recall seeing this chainwheel pattern previously
pedals are Lyotard model 36
the Huret Svelto rear mech is a helpful dating aid
bottom bracket assembly appears to be REWAX MD
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frame -
lug pattern is BOCAMA 51/I
dynamo mount is NERVEX Nr. 898 AR
frame tubing will be the manufacturer's house brand hi-tensile which is termed LUXTUB
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putting the cycle into roadworthy condition will take a good deal of work and expense, even ignoring the cosmetics
one thing to consider in your planning is the bicycle's frame size; it appears to be about 54cm/21" as measured centre-to-top - is this a reasonable size for you?
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other readers will be along shortly with more and better information
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