Full Details

Name and Model Number General Hannyngton
Country of Origin England
Date of Manufacture 1972
Front Scales C, D
Back Scales None
Scale Length 125 cm effective
Type of Rule Instrument
Construction Wood
Area of Use Generic
Comment Manufactured by Aston and Mander
Rarity RRR
Donor Collection of Rod Lovett
Match Number 19

RR = Rare -- 1 of 25 collectors has one; it may take a year to find an example in the marketplace.   
RRR = Very rare -- only very few known to collectors; may take several years before one comes up for sale.   
RRRR = Extremely rare -- a museum piece; unlikely that an example will ever come up for sale.