A Useful Small-capacity Cesspool Emptier.
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ALTHOUGH in that branch of municipal administration which is concerned with cesspool emptying, it is usually found of advantage to employ a machine with the largest possible tank capacity—the factors of economy and efficiency not being overlooked — there are certain spheres of activity in which a machine with a comparatively small capacity is found of the utmost utility. It is for this reason that Dennis Brothers, Ltd., of Guildford, feel justified in listing as one of their standard municipal appliances a 8ma11 cesspool emptier with a capacity of only 500 gallons.
• The conditions which have to be net in Reigate and district certainly have their counterpart in other parts of the country, so that the machine of which the Reigate Rural District Council has recently taken delivery —it is shown in the accompanying illustration--will undoubtedly interest other municipal authorities. A factor which guided this authority in the choice of the machine was the surface of the roads which would have to be regularly traversed. In the area over which it exercises control there is a large • number of carriage-drives which are not constructed to bear the weight of heavy ;vehicles, and this fact made it essen 036 tial that the weight of the machine chosen should be as low as possible.
The chassis consists of the Dennis 2“onner, with the new bow-fronted .radiator and tapered bonnet. A drive is taken from the gearbox to a Reavell pump, which exhausts air from the tank and thereby enables the contents of a cesspool to be sucked up into it. The pump is capable of filling the 500-gallon tank in three minutes, and, as its action may be reversed, the contents can be discharged under pressure in
slightly less time. This is particularly useful when it is desired to deposit the contents of the tank on a higher level than that on which the machine is standing.
Our picture clearly shows the method of carrying the suction hose. The total length of hose carried is about 200 ft., and it is made up of sections 17 ft. long, this being a convenient length for manipulation by two men. The diameter of the hose Is 3 ins., and gunmetal couplings, with round threads, are used.