December 1, 1916.] 



THE INDIA RUBBER WORLD 



141 



COUNTKIES. 



Federated Malay States . . 

 - Hongkong 



India 



(See note for Ceylon.) 



North Borneo 



Sarawak 



Straits Settlements 



China 



Chosen (Korea) 



Weight. 



Rate" per 

 100 Pounds, Rate 

 U. S. Per Cent.— 

 Currency. A3 Valorem. 

 Free 



Free 

 7.5 



10 



Free 



Free 



5 



8 



10 



Dutch East Indies 



French Indo-China 



(Imports from France are admitted free of duty, while imports from 



other countries are subject to the rates prescribed by the customs tariff 



of France.) 



Japan (including Formosa) — Auto tires.. 

 Cycle tires. 



Persia 



Siam 



Africa: 



Net 

 Net 



$42.92 



25 



10 

 3 



10 

 10 



.Abyssinia 



Belgian Conge 



British — 



Mauritius 12 



Nigeria Free 



Union of South Africa 20 



(Duty based on the current value for home consumption at the place 

 of purchase, including value of packing and agent's commission if it 

 exceeds 5 per cent.) 



Zanzibar 7.5 



(The dutiable value of imports from Europe or America is taken to 

 be the cost price [with charges], increased by 5 per cent or the 

 invoice price [exclusive of charges], increased by 15 per cent.) 



Egypt 8 



(In Alexandria a wharfage tax of one-half of 1 per cent is added. At 

 other ports different rates are imposed.) 



French Algeria 



(Imports from France are admitted free of duty, while imports from 

 other countries are subject to the rates prescribed by the customs 

 tariff of France.) 



Italian — 



Eritrea .* 



Libia 



Sumaliland 



I iberia 



Morocco 



8 



11 

 15 

 12.5 

 12.5 



Oceania: 

 British — 



Australia — Auto tires 35 



Other tires 35 



(Duty based on fair market value F. O. B. at port of 

 export, plus 10 per cent. On casings weighing over 254 

 pounds and inner tubes over 1 pound eacli. 48. 6 cents per 

 pound, if higher than the ad valorem rate.) 



New Zealand Free 



Guam Free 



(Imports of foreign origin are taxed 25 per cent of their value.) 



Philippine Islands Free 



(Imports of foreign oriein are taxed 25 per cent of their value.) 

 Tutuila •. 10 



Legal weight is not uniformly con'^trued but generally includes the weight 

 of the immediate packin*; or container, though in some countries fixed 

 Icre allowances are made. 



NEW JERSEY ZINC CO.S PRICE NOTICE. 



The New Jersey Zinc Co., New York City, announces the fol- 

 liiwing prices on American process "Horse Head" brands of zinc 

 CNJde on contract for the first half of 1917: 



50 Ton Less 



Base Carloads Carloads 



Selected, cents WA 10^ lO'/a 



XX, cents 9fi 9^ 10 



The above prices are based upon shipment in barrels and are 

 f. o. b. shipping point, with usual freight allowance on carload 

 lots, and are subject to cliange without notice. 



The above products are also available in paper bags of SO 

 pounds net weight when shipped in carloads. In this container 

 the price will be one-eighth cent per pound less than quoted 

 above. Bags cannot be shipped in less than carload lots. Mixed 

 carloads of barrels and bags cannot be shipped. 



The American Chain Co., Bridgeport, Connecticut, nianufac- 

 tiirer of Weed tire chains, has purchased the Standard Chain 

 Co., Pittsburgh, Pennsylvania. Plans for combining the sales 

 organizations and part of the office force of the two companies 

 will probably be put into effect by January 1. 



RUBBEH-SHOD CATERPILLAR TRACTOR. 



The development of the mechanical tractor has been a fertile 

 field for the inventors of agricultural machinery who have en- 

 deavored to produce a machine that will satisfactorily solve the 

 problems of plowing, cultivating, hauling and operating harvest- 



ing and other farm machinery. Compared with horsepower, 

 the tractor has obviously the advantage due to its availability at 

 all times and a more diversified range of usefulness. 



The types of wheeled tractors are varied and accomplish the 

 many objects for which they are designed in a generally satisfac- 

 tory manner, providing the ground or road over which they 

 operate is firm and fairly even. On soft ground and uneven and 

 broken roads, however, the caterpillar tractor is supreme, as its 

 tractive power is almost unlimited and it performs equally well 

 on solid ground and smooth asphalt or macadam roads without 

 injury to the surface of the road. 



The modified form of caterpillar tractor shown here is de- 

 signed for hauling heavy loads over roads and soft ground 

 where wheeled tractors would be at a disadvantage. The shoes 

 of the tractor belt are shod with 24 blocks of solid rubber that 

 increase the tractive power on both hard and soft ground and 

 prevent damage to the road surfaces. [Martin Rocking Fifth 

 Wheel Co., Springfield, Massachusetts.] 



RUBBER MAKES A SALVAGE MACHINE POSSIBLE. 



William D. Sisson, a New York engineer, has designed a re- 

 markable apparatus with which to explore the bed of the sea, 

 locate wrecked vessels and bring them to the surface. The outfit 

 consists of a tender carrying a number of pontoons, and an 

 almost spherical diving machine equipped with propellers, search- 

 lights, a telephone to communicate with the tender, and four 

 powerful electro-magnets. The latter hold the diving machine 

 fast to the metal side of the sunken ship while an electric drill 

 bores holes for fastening the pontoons. The diving machine is 

 designed to work at any depth down to 2,000 feet. 



This device would not be possible without rubber, of which 

 each of these outfits will probably use 3,000 pounds for electrical 

 insulation purposes alone, not to mention the use of rubber hose 

 and rubber mechanical goods on the ship's tender and the rubber 

 or rubberized garments that the crews will need to wear while 

 at their work of raising from the bottom of the sea the treasures 

 that have been lost through storm, attack or accident in the 

 years since iron and steel ships supplanted wooden ones in the 

 world's commerce. 



In this connection experiments have been carried on recently 

 by Dr. Sylvio Pellico Portella in Rio de Janeiro, Brazil, using 

 an apparatus somewhat similar to that noted above. An inter- 

 esting feature is a series of floats of waterproof material, shaped 

 like spheres, cylinders, etc., which are carried down by divers 

 and attached to vessels and then inflated by air pressure from 

 above. 



