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Wherever Goodyear Cord Truck Tires are used in municipal hauling they demonstrate their ability to reduce costs and improve serv ice. There are special Goodyear Tires for special needs Goodyear Cushions and Goodyear All-Weather Tread Solids. For assistance in determining the most practical tire for any work, call the nearest Goodyear Branch. Or, if more convenient, write direct to Goodyear, Akron, Ohio, or Los Angeles, California.

Goodyear Means Good Wear

GOODYEAR

Copyright 1923, by The Goodyear Tire & Rubber Co., Inc.

Exclusive Feature No. 10

Crankcase Inspection Ports

"By a simple turn of the hand-
operated clamp and wing nut,
the marine type inspection
plates may be removed, giving
immediate access to the con-
necting rods and main bear-
ings. The oil level gauge may
be visually checked by observ.
ing the depth of oil through
the open ports.

"The engine may be run slow.
ly with ports open for further
inspection.

"Instant accessibility to the
very vitals of a gasoline engine
is a feature that can only be
fully appreciated by those re-
sponsible for its regular inspec
tion and servicing."

INTERNATIONAL

MOTOR COMPANY 25 Broadway New York

Branches owned by this company oper ate under the titles of: "MACK MOTOR TRUCK COMPANY" and "MACK-INTERNATIONAL MOTOR TRUCK CORPORATION."

PERFORMANCE COUNTS

pounds, can be very easily carried by two men. One of the two-man outfits has been shipped to the Chief of the Fire Department of Amsterdam, Holland, who has mounted the unit on the side-car of a motor-cycle as a speedy first-call auxiliary. Some small communities in the United States have already taken advantage of the fire protection afforded by these small units made by the Northern Fire Apparatus Company, Minneapolis, Minn.

Creating a Playground

It is not difficult to realize the tremendous possibilities for good in the playground, but it it not always easy to provide the necessary

Company, Springfield, Ohio, a small playground layout such as illustrated may consist of a few well-chosen pieces of apparatus which may later be added to as desired.

Pittsburgh Meter Company to Move

A new 5-story building located on 22 acres of ground is now nearing completion in the Brushton District of Pittsburgh, Pa., for the Pittsburgh Meter Company. The building measures 80 x 300 feet and has approximately 150,000 square feet of floor space. It is well lighted and thoroughly ventilated and equipped

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money to put these possibilities into practise. Perhaps public funds are not available-school appropriations have a habit of becoming exhausted before all the needs are met. The problem then falls frequently on individual enterprise.

The situation may present difficulties, but it is not impossible of relief. Playgrounds have literally "sold themselves" to the public. Most people recognize their value and are willing to contribute to their maintenance. This is an encouraging factor in the situation. Teachers and school officials have only to take advantage of this favorable attitude on the part of the public. There are many ways in which funds have been raised, and raised in substantial quantities. Public officials who really study the situation and are determined to raise money are seldom disappointed; in fact, the results frequently surpass the most enthusiastic expectations.

Fully equipped playgrounds do not as a rule spring into existence over night. They are the result of careful planning and well-informed buying. They develop slowly, keeping pace with the need. They experience a steady, healthy growth.

According to the Everwear Manufacturing

with the most modern tools and machinery. At present the offices of the company will occupy the front section of the first and second floors, facing Susquehanna Street, which parallels the Pennsylvania Railroad at this point.

Special thought is being given the problem of continuing service to customers while the move is being made from the old to the new quarters. Stocks of water-meters and gasmeters will be provided at the district office warehouses of the company in sufficient quantities to insure of quick shipment of orders during the period of transmission, and large stocks of finished meters and parts will be available at both East Pittsburgh and the new location. The new address of the company will be 7800 Susquehanna Street. Pittsburgh, Pa., for mail, telegrams and express. The freight address will be Pennsylvania Railroad, Wilkinsburg, Pa., the company having a private siding from the Pennsylvania Railroad. Data on Heenan-Froude Refuse Destructors

An instructive booklet on the high temperature incineration of municipal refuse has recently been published by Jones & Very, Inc., Engineers, 60 Wall Street, New York City.

North High Street, Cedar to Fifth Ave.,
Columbus, O., paved with Trinidad Lake
Asphalt in 1921.

Nature made - world old
and ages seasoned

Exposed for centuries to the rigors of tropic weather,
TRINIDAD LAKE ASPHALT doesn't melt under blaz-
ing sun-doesn't crack under freezing cold-doesn't dis-
integrate under soaking rains.

That's why Trinidad Lake Asphalt pavements-in all parts of the world-are rated FIRST in long life and FIRST in low cost per year of service.

We have some interesting data regarding this remarkable material. Write for it.

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AN OUTDOOR WATER SLIDE OF THE WAVE TYPE, SHOWING FOUNDATIONS

Water Slides for Indoor and
Outdoor Use

Water slides which may be set on piers or piling for outdoor use and at the edge of indoor pools are made by the Hill-Standard Company, Anderson, Ind., and are used in many municipal swimming pools.

These slides are made entirely of steel and malleable iron except for the chute side-rails and stair-treads, which are made of high-grade rock maple, hand-finished and splinter-proof. The chute bedways are of Armco rust-resisting galvanized iron. The slides are furnished with chutes of two types-the straight type with a retarding curve at the lower end, and the wave type with one or more bumps as the length may permit.

The best practise in the use of these chutes is to have them half as high as the chute is long; thus a 16-foot chute would require a stairway and platform 8 feet in height. Most of the slides are for use in water 3 to 4 feet deep; this has proved best for general public use, as deeper water is not safe for children and adults who cannot swim.

To use these successfully, the chutes must be flushed with water. Various means are used, depending upon local conditions and the watersupply.

A New V-Type Snow-Plow

for Heavy Tractors

The new Champion V-type snow-plow which has been developed as the result of many years' practical experience with mechanical appliances by the Good Roads Machinery Company, Kennett Square, Pa., is of the general type used by railroads in keeping snow from their tracks and rights of way. Through the use of wood and steel construction, a strong, rigid, easily repaired, shock-absorbing plow of light weight is obtained. It is designed for use in deep snow and must be used with heavy tractors having sufficient power to push it. Under proper conditions it may be used to advantage with two standard 5-ton auto trucks, properly timed for operation together, one pushing behind the other.

The plow consists of an inclined platform carried on rollers and sleds with a V-type moldboard mounted on it, and a push frame arranged for attaching to the tractor. The plow is attached to move snow with the least possible effort. The adhesion of snow to itself and to the ground makes it necessary to exert tremendous force to move it sideways or forward along the ground. It is due to this fact that the ordinary V-plow has not always given satisfactory results. The new

Open to
Traffic in
10 Days!

.0.0.

Photo not retouched

just as it is, no hair
cracks, a perfect sur
face cured by Solvay
Calcium Chloride.

HE concrete on the road pictured above was
placed October 5th and 6th and the road
was opened to traffic on October 16th!

State and County Engineers, wherever Calcium Chloride curing has been used, are unaninous
in their commendation. Results are certain with Solvay because it automatically proceeds with
the curing. There is no worry concerning daily sprinkling, no expense for inspectors. Once
Solvay is applied the curing goes ahead and you quickly have the road in use, a strong perfectly
cured concrete highway.

In addition to curing concrete, Calcium Chloride, when mixed with concrete gauging water,
provides four very desirable conditions:

1. Accelerates the initial and final set and increases the early tensile
strength.

2.

3.

Gives greater plasticity and workability.
Increases density-waterproofs.

4. Increases freezing resistance-freezeproofs.

It is for use in all concrete work, and for use in mortar, in setting brick. Its efficiency is not
impaired by the weather. The action of Solvay enables brick work and concreting to proceed
at exceptionally low temperatures, as it lowers the freezing point of water, at the same time
hastening the action.

For CONCRETE CURING

use

SOLVAY
Free Running

Calcium Chloride

ACCELERATES, HARDENS, FREEZEPROOFS-WATERPROOFS CONCRETE
Shipped in 375 lb. non-returnable drums or easy-to-handle 100 lb. moisture-proof
bags from 50 convenient distribution points. Write for literature.

SEMET-SOLVAY COMPANY, Dept. J., Syracuse, N. Y.

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