A Comparison of the New and Old.

Progress, Volume II, Issue I, 1 November 1906, Page 17

A Comparison of the New and Old.

Fig i represents an old hand crane used by the Harbour Board for many years, and y which is still 'capable of lifting 30 cwt It is, however, now used only by carpenters' gangs foi whaif repairs. Fig 2 shows the new 20-ton hydiauhu crane erected at the end of the railway wharf This splendid machine has a vertical lift of 100 ft while the jib head is 90 ft. above the mean-tide level. The jib derricks have a maximum rake of 50 ft. (33 ft. over edge of wharf) into a minimum of 16 ft. rake. The jib rotates all round and the crane is treble power, having lifted on test 2 1 tons with one ram, 11 1 tons with two rams and 20 tons with three rams (net load) The foundations consist of four concrete piers resting on

a concrete bed 36 ft below mean-tide level fhe total cost, including foundations, crane, freight, erection and testing, was £5,350, and the makers of the crane are Messrs Tannett, Walker & Co., Ltd., Leeds.

The Welhngton-Manawatu Company's engine No. 19, which we illustrate herewith, is a passenger locomotive built by the Baldwin Locomotive Works, of Philadelphia, U.S A., and is used for hauling the mail train between Paekakanki and Longburn. It is a 10-wheeled locomotive having three pairs of coupled wheels and a 4-wheeled truck, with cylinders 17" diameter and 22" stroke The valves are inside-admission piston valves worked by Stephenson link motion The diameter of driving wheels is 58" The driving wheel centres are cast steel and the front and back drivers are flanged, the middle drivers being plain, 'ihe boiler pressure is 180 lbs per square inch The boiler is lagged with magnesia sectional lagging and is covered with a Russian iron jacket. The diameter of boiler is 51", and the tubes are of solid drawn brass 1}" diameter, the fire box being of copper with copper stays. The boiler has a heating surface

of 1,100 square feet, and the grate area is 17 square feet The head light is of copper Leach's air sanding apparatus acts on the front and back dnvers The tender is earned on two 4-wheeled trucks, having wheels of 10" diameter. The tank capacity is 2,000 gallons, and that of the coal bunkers 4] tons The Westinghouse brake engages all driving and tender wheels, and there is a hand brake on tender lotal weight of engine and tender s$ tons