The Supply Department.
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Selected I nformation which is likely to be of Interest to Makers, Owners, and their Buyers.
Compressed Air Hammers.
A little booklet is to hand from Peter Pilkington, Ltd., Bamber Bridge, Lancashire, giving particulars of this maker's pneumatic hammers and other power plant. The advent of the heavy commercial chassis, in recent years, has called for heavier plant in the motor manufacturer's shops. Pilkington, Ltd., claims that its power hammers are particularly suitable for the production of the forgings which are used in such large quantities in the building of steam and petrol wagons. It also claims considerable economic advantages for its compressed air hammers over other forms of power-driven hammers. At the back of the booklet are a few pages of useful memoranda.
How to Drive Ivel Agrimotors.
In anticipation of large sales at the Royal Show, and following the many Ivel agrimotors which have been supplied this year to the Colonies and abroad,
Ivel Agricultural Motors, Ltd., has found it necessary to enlarge and bring up-to-date its loose-leaf instruction book. This is a system which may, with advantage, be adopted by other makers. After perusal of the book, any man with the least pretension to mechanical knowledge should be able to drive this company's agrimotors without difficulty, and at the same time to obtain the best results. The book opens with full-page half-tone illustrations of the agrimotor, and these give a good general idea of the construction. Then appear a page or two of "Note before starting the engine," don't do this" and "don't do that." General instructions with regard to lubrication follow, and the governors, accelerators, speed of engine, carburetters, ignition, and so forth are dealt with in easy sequence. Later on, instructions for the care of chains, the setting of axle-brackets, brakes and their adjustment, and so on, are clearly stated. Accompanying these instructions are many line drawings, which show the construction of the detailed parts clearly. Being of the loose-leaf type. and this enterprising company having standardized its catalogue, the possessor of the instruction book can, at any time, insert any later particulars issued by the Ivel Agricultural Motor concern
An "Airy" Improvement.
We have recently had several opportunities of inspecting plant installed by Ozonair Ltd., of 96, Victoria Street, Westminster, S.W. This system of air purification by the production and introduction of ozone seems to be receiving serious consideration
from many large trading concerns. It was suggested by humorists when this system was first introduced that the excess of oxygen in the air would rapidly lead to the production of a giant race of men, who. would work many times as hard and die many times as quickly in a state of perfect happiness. The steady extension of the Ozonair system, however, has done much to damp down the humorist, who is, as a. rule, only too pleased to take advantage of tubes, large rooms, and so forth, which are BO ventilated.
No attempt is made by Ozonair Ltd., to argue that. ozone applied to factory ventilation energises the employees. The reverse argument is adopted, namely, that employees working in a fetid atmosphere cannot turn out the same quantity or quality of work as would be possible were they to work in well-ventilated buildings. This is, of course, a truism. Those of our readers who have not, up to the present, come in contact with the Ozonair system wilt be interested to know that many gold medals have been awarded to this company's production, dating from the Exhibition at the Crystal Palace in 1906 up to the present time The system is capable of being put into extended use by motor factories and by some owners of big fleets of commercial motors Harvey Frost Vulcanizing,
Quite a comprehensive production is the new issues of Messrs. Harvey Frost and Co.'s book of the vulcanizing business, a veritable guide and inquire within regarding everything pertaining to tire repairing by the H.F. process. Iow in its third edition, the new issue carries matter of an informative and attractive character from the standpoint equally of the trader who has an established vulcanizing business, of the trader who has recently embarked upon it, and of the trader who is on the verge of so doing. The book speaks explicitly. Points are explained as interestingly as though they were conveyed by word of mouth. We understand that the new issue, more complete even than the last, is being rapidly absorbed. Early application is desirable, and the number of the book--50---should be stated Many illustrations are given which show the complete vulcanizing process, and using these as a guide themost rustic of drivers can hardly fail to effect satisfactory tire repairs, or as the inventor insists. "
remakes" the tire.