Page 2 Advertisements Column 2

Star (Christchurch), Issue 17248, 15 January 1924, Page 2

AN ENGINES BREATHING. The 4 ‘ breathing ” of a locomotive, chat is to say, the number of puffs given by a railway engine during its journey, depends on the circumference ji its driving wheels and the speed. No matter what the rate of speed may be ,or every one round of the driving .vheels a locomotive will give four puff ' .wo out of each cylinder, the cylinders •eing double. Taking the average civ umference of the driving wheel to be vventy feet and the speed per hour .fty miles, a locomotive will give, go lg at express speed. 880 puffs per min be, or 52,800 puffs per hour, the wheel volving 18.200 times in sixty mines, giving 1056 puffs per hour.

Art Appreciation We cannot let January slip by without thanking our many customers for their liberal patronage during the eight months we have been established, and also for the manner in which they supported us during the holidays. Our expectations were altogether exceeded. As we settle down for 1924, we intend to devote our whole efforts in making Undrills the leading Mercers in this city for quality and value. Our stocks are now replete, and include the very latest in Shirts, Collars, Ties, Hats, and also summer Underwear, Hose, etc., of which we invite your early inspection. In closing we wish one and all prosperous times for the year ' just born. UNDRILL’S (Previously Parker s Ltd. < 207 HIGH STREET