Accession Number: 2011.lej.53
Description: Wooden slide rule with metal ends.
Primary Materials: Wood, metal
Old Inventory Number = 53??
“Harrow Mark Reducer”
“Aston & Mander Ltd. Makers 61 late 25 Old Compton St. Soho, London”
Height = 5 cm, Width = 5 cm, Length = 91 cm
Function: Facilitating calculations.
Good condition. Scrapes and small splotches of white paint on slide rule.
Manufacturer: Aston & Mander, London
Date of Manufacture: