Issue 26 and Volume 40.

THE FIRESTONE SIDE-WIRE MOTOR TIRE. The Firestone, side-wire motor tire is constructed with cross-wires vulcanised in the rubber near its base and made an actual part of it. It is held firmly in the channel by two endless retaining wires. These retaining wires are of special high carbon steel and are sprung over the edges of the channel, assuming a position between the channel and the tread of the tire. These side-wires afford a positive anchorage for the tire within the channel and effect the strongest retaining device in existence. It will be remembered by those chief engineers who attended the Dallas convention of the International Association of Fire Engineers that a remarkable paper was read by Chief Engineer Kiersted, of the fire department of Newark, N. J., on the topic, “Is it beneficial and economical to use rubber tires on fire apparatus?” Chief Kiersted, who is an authority on…

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