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A BRASS DIP CIRCLE IN A GLAZED CASE
MAKER'S MARK E.A MACHIN & CO., MELBOURNE, FIRST QUARTER 20TH CENTURY
with a calibrated circular brass ring and supports, housed in a rectangular case with bevelled glazing, above a circular pedestal on adjustable brass feet, 33 x 25.5cm
Note: Ernest A. Machin & Co. was a prominent manufacturer and retailer of scientific instruments and, later, supplier of motoring accessories, based various locations in Melbourne, primarily on Elizabeth Street, from 1907 until the 1960s. The dip cycle was a surveyor's instrument and was used to measure the angle between the horizon and the earth's magnetic field. The measurement was key in helping surveyors to compensate for the effects of the earth's magnetic pull in their other calculations.
Sold for $320
Lot 30
MAKER'S MARK E.A MACHIN & CO., MELBOURNE, FIRST QUARTER 20TH CENTURY
with a calibrated circular brass ring and supports, housed in a rectangular case with bevelled glazing, above a circular pedestal on adjustable brass feet, 33 x 25.5cm
Note: Ernest A. Machin & Co. was a prominent manufacturer and retailer of scientific instruments and, later, supplier of motoring accessories, based various locations in Melbourne, primarily on Elizabeth Street, from 1907 until the 1960s. The dip cycle was a surveyor's instrument and was used to measure the angle between the horizon and the earth's magnetic field. The measurement was key in helping surveyors to compensate for the effects of the earth's magnetic pull in their other calculations.
Estimate $400 - $600
Classic Furniture & Objects Auction
AUCTION
Sale: LJ2451
11:00am - 30 May 2015
333 Malvern Rd, South Yarra 3141
VIEWING
Saturday 23 May 10am - 5pm
Sunday 24 May 10am - 5pm
Wednesday 27 May 9am - 8pm
Thursday 28 May 10am - 4pm
Friday 29 May 10am - 4pm
CONTACT
Guy Cairnduff
guy.cairnduff@leonardjoel.com.au
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