A good example of a finely machined instrument.Heavy oblong bevelled edged metal plate with two rollers and panel secured to the front. Two circular serrated screws at each end of plate. Reverse 8 brass screws 2 revertsPrecision Sydneywarrnambool, swinton, alexander swinton, rolling parallel ruler, rolling ruler.

Kilpatrick and Co were London based Mathematical Instrument Makers, Opticians, Goldsmiths, Jewellers and Watchmakers who operated in Melbourne at various Collins Street addresses between 1876 and 1898. Believed to have been a part of the Shire of Marong's surveying equipment.Rectangular brass ruler with beveled edges and rollers on underside. Housed in custom made hinged wooden box. Centre front; Kilpatrick & Co., Londoncity of greater bendigo surveying, shire of marong

Used by Army Survey Units to quickly draw parallel lines for map production since 1944.A Brass 2.5" (6.5cm) wide Ruler 15" (38cm) long with brass rollers. Ruler is enclosed in a wooden protective boxRuler engraved with " A.L. FRANKLIN SYDNEY No 514 1944 D^D", Box labeled 407royal australian survey corps, rasvy, fortuna, army survey regiment, army svy regt, asr