Meeting The Craving For Milk
Page 35
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Brief Details of the Lister Petrol-engined Auto-Truck Mobile Milk Bar with Refrigerating Plant
APARTICULARLY interesting and compact mobile milk bar has been built by R. A. Lister and Co., Ltd., Dursley, Gloucestershire, on its Auto-Truck, and is marketed at £240. An example of this outfit was shown at the British Industries Fair, Birmingham, where it attracted much attention. The type of chassis utilized is, of course, well known, it having gained an excellent reputation as a reliable runabout capable of carrying moderate loads in works and elsewhere, where its mobility proves of exceptional value.
The main feature of this chassis is the power and steering unit The engine can be either a J.A.P. with a single cylinder of 600 c.c. capacity and a normal rating of 4-6 h.p., air-cooled by twin fans, or a twin-cylindered engine of the same make, of 750 c.c., but cooled by three fans and rated at 6-8 h.p. Ignition is by magneto, and carburation is effected by a Lister Solex two-jet instrument.
The clutch, of steel plates and asbestos discs, is controlled by a lever from the steering handle, and the stoutly constructed gearbox gives two speeds forward and a reverse. The ratios can be arranged to suit operating conditions; normally, they are : top, direct ; second, 2 to 1; reverse, 2.6 to I. The speed is up to 13 m.p.h.
The single front wheel can be fitted with an 1S-in. by 7-in. pneumatic tyre, and is driven from the gearbox via a floating countershaft, adjustments of the secondary and finaldrive roller chains being effected by moving an eccentrically supported jockey sprocket and an eccentric on the countershaft. The driving-wheel hub is mounted on a stub axle, and the wheel can be removed in a few moments.
An internal-expanding brake operates directly on this wheel, which for steering purposes can be turned through 360 degrees on a channel ring having six adjustable rollers carried on brackets bolted to the chassis. A compensating internal-expanding brake also operates on both rear wheels and is controlled by a pedal.
The construction of the milk bar with its double canopy can be seen from the accompanying illustration. It is built of sheet steel cellulosed, whilst the counter is covered with Ruboleum. The bar is finished with stainless-steel moulding, whilst the upper serving counter is treated in the same manner and is mounted on chromium-plated pillars. Provision is made for eight one-gallon jars of flavouring syrups fitted into shaped wells.
Storage space is arranged for two eight-gallon churns, refrigeration being provided by means of an electrically driven air-cooled compressor unit housed in the cabinet. Dry ice can be utilized if current be not available, but the insulation will hkold the milk at low temperatures for some hours without refrigeration.
There is ample cupboard space for glasses and extra supplies, also for the conveyance of ice cream, whilst a cash till can be included.