Large original antique ebony & brass parallel ruler navigational instrument 3DESCRIPTIONA lovely quality original antique parallel ruler.Handmade in England from solid ebony and brass dating from circa.1820-1860.This type of ruler were used on ships for navigational purposes and also draughtsmen..parallel ruler noun an instrument for drawing parallel lines, consisting of two or more rulers connected by jointed crosspieces so as to be always parallel, at whatever distance they are set..The ruler is in good solid condition and measures 61.5cms long and 7.6cms wide when closed.24 1/4 inches long and 3 inches wide.....Look in our eCRATER shop for more unusual antique items..Buy with confidence .We always combine multiple purchases..If you have any questions please feel free to email or call on 07973132746.. SHIPPINGALL ITEMS ARE PACKED PROFESSIONALLY AND ARE SENT WITH INSURANCE.PLEASE BE AWARE INTERNATIONAL PARCELS CAN TAKE UP TO 6 WEEKS TO ARRIVE WITH ROYAL MAIL AIRMAIL SERVICE..DUE TO INCREASED SECURITY AT CUSTOMS..PAYMENTinkfrog terapeakinkFrog Analytics