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1945 Theatre Catalog, 4th Edition, Page 154 (132)

1945 Theatre Catalog, 4th Edition
1945 Theatre Catalog
1945 Theatre Catalog, 4th Edition, Page 154
Page 154

1945 Theatre Catalog, 4th Edition, Page 154

GRILLES, to mask heat and cooling outlets, can also be made of architectural bronze with telling eFfe:t as is shown in this photograph used through the courtesy and cooperation of the American Brass Company.

terior use, as they change less by accumulations of dust. Periodic cleaning is required to keep them in good condition. Castings may be given special finishes, such as the Aluminum Company of Americas green Alumilite. '

The classic example of aluminum applied to architectural purposes is the capstone (a solid pyramid 4 inches on an edge) of the Washington Monument, Washington, which, when it was set in place in 1884, was the largest purealuminum casting ever made. After 50 years, it was inspected and found in perfect condition. Until the cost was drastically reduced and architects became familiar with it, little aluminum was used until about 1925, since when it has been used in increasing amounts, first as shingles and tiles for roofs, then as spandrels, window trim, and the like.

Lightness of aluminum has aided in making it a preferred material of decoration in many skyscrapers. Thus, aluminum spandrels are used in the Chrysler, Empire State, and many of the Rockefeller Center buildings, New York, as well as in buildings in other cities. Since aluminum extruded shapes became available, they have been used extensively for window jambs and sills, trims, and fronts.

Aluminum doors are made from sheets and extruded sections. Facades,marquees, grilles, spandrels, stair railings, light fixtures, hardware, skylights, entrances, lobby frames, signs, and letters can be made from aluminum. Statuary cast in aluminum is becoming common. Now that parts may be anodized and dyed, interesting color combinations, or differently colored parts of the same casting, are possible.

One of the exterior decorative applications of aluminum which should be mentioned is the use of flake aluminum in paint. Aluminum-foil trimmings and stamped pieces are reduced to a powder, then incorporated into a suitable vehicle.

Another material of construction that appears to be particularly promising for the future is aluminum-coated steel. This can be made by hot dipping, as in making the best grade of galvanized iron, and the cost probably will be but little more than for galvanized iron.

The rapid growth of aluminum and its alloys in construction and decoration of motion-picture theatres should continue, since increased volume of production permits a lowering of cost. The use of colored surfaces, and the advantages of lightness are favorable.

As a future possibility, the Bohn Aluminum and Brass Corporation has suggested the possibility of a tent of aluminum, said to have advantages of durability, attractiveness, and showmanship. The idea might be developed in the pre-f'abrication field, although the company declines to expand on the possibility.

THE USE OF ARCHITECTURAL BRONZE for decorative trim, for stores as well as theatres, is set forth in this American Brass Company picture of the Trans-Lux Building, Washington. Bearing the trade mark "Anaconda" -a name no less famed in modern metallurgy than it was in the good old days of the wild and woolly west, *architecturol bronze has many possible uses within the theatre in the field of decoration as well as utility.



Copper is used very extensively in decoration, both as the commercially pure metal and in alloys. Alloyed with zinc, it forms a series of brasses; addition of tin gives true bronzes; nickel and zinc added to copper form the nickel silvers; and with aluminum the strong aluminum bronzes result. '

As thin sheet or strip, copper is much used for roofing, gutters, eaves troughs, ventilators, flashing, skylight construction, and, to some extent, vertical siding. The metal and its alloys is also utilized for water pipes, gas and oil pipes, water storage tanks, and heating lines. As an example, nearly 500,000 pounds of copver were used in the roof of Grand Central Terminal, New York. The most used type of copper roofing has been 24-gauge (16 ounces to the :quare foot), annealed sheet, with double locked, standing seams. Some 20-ounce sheet has been used, but the tendency has been to decrease the thickness to about the 10-ounce material. With addedt horizontal lapped seams of copper strip, tile roofs may be simulated.

From the decorative standoint, the chief value of copper is the soft green patina that develops in a few years. This basic-sulphate coating can be produced artificially. An electrolytic patina' can also be developed, but the appearance is not quite like that of the natural forms and the coating is sufficiently soft to be removed or streaked by any abrading action. In time, the basic carbonate formed in the treatment is converted into the natural basic sulphate. Near the seashore, the patina may consist of a. mixture of the basic sulphate and chloride.

To retain the natural color of copper, a thin, clear, vitreous-enamel coaiirg can be fused over the surface. The resultant product is reasonably flexible, but little use has been made of it, although it appears to have some marked advantages as exterior decorative material.

Copper has been used in pre-fabricated structures. Likewise, there are buildings which have sides, balconies, roofs, and supporting columns sheathed in copper. Sections may be painted for contrasting colors. Panels stamped from

,cross-crimped, 16-ounce copper, backerl

by insulation board, have been used as building material. Even the very light 2- or 3-ounce electro-sheet can be used for sheathing, where the strip can be backed. A novel use of sheet copper has been for permanent awning. Of a more purely decorative nature is the sheathing in copper of statues (as the Statue of Liberty), stampings, spires, signs, and the like. Lightning rods can combine copperis excellent electrical conductivity with decoration.

Copper Coated with Aluminum Foil

Copper coated with aluminum foil can be used to give a silver effect (as on the dome of the Waldorf Astoria, New York) or used as a base for a chromium-plated surface. The latter is used as pre-fabrL cated material to be stamped or formed into decorative effects.

1945 Theatre Catalog, 4th Edition, Page 154