Document damG3X2BROgdO2D620v4z8Nw9

116 The American Magazine "Look, it glistens." Hold it, it's heavy. Tap it, it rings." OU tell fine glass with your eyes, hands, Lead as paint and ears. In the light the howl glistens Ywith the heavier than rainbow's colors. In your hand it the common glass howl. When is EAD in glass is very bashful and conceals j itself so that there is no visible sign of its Iyou strike it, you hear a clear, bell-like ring. presence. But in its more general use as paint, you can see it on every hand. As white-lead, Lead, that dull, unattractive metal, is re mixed with pure linseed oil. it protects such sponsible for the brilliance of fine glass. Because surfaces as wood from rot and decay. As red- tlie lend used in making the glass gives it the lead it prevents rust from density necessary to bend or reflect light rays, eating into and destroying the glass has the lustre and color that cheaper iron and steel. glass does not have. For generations the professional painter has Lead makes glass heavy used white-lead to save the surface. From our Lead also gives weight to glass. The piece of fine plain glass and cut-glass you pick.up may be anywhere from 20T to .50',j lead. Table glass, such as tumblers and goblets, is from 20'^ to 40rf lead. When it is struck, lead glass m most forms gives forth a musical ring that ordi nary glass does not. forefathers' time it has always been the stand ard for surface protection. Today owners everywhere realize that it is more economical to cover their property with "lead-in-oil" than to pay for the damage that the weather can soon do to unpainted surfaces. They believe in the phrase, "Save the surface and you save all." Lead also gives the glass a softness that makes cutting and engraving easier and more Protluccrs of lead products economical. Despite this softness--because of it, in fact--lead glass retains its strength and offers greater resistance to changes of temper ature than ordinary glass. Dutch Hot/ white-lead is the name of the pure white-lead made and sold by National Lead Company. - On every keg of Dutch Buy whitelead is reproduced the picture of the Dutch Boy One glass manufacturer in a year used Fainter shown below. This trade-mark guar 0U0 pounds of lead. The entire glass industry antees a product of the highest quality. takes about 14,000,000 pounds of the annual lead production in the United States. Dutch Boy products also include red-lead, linseed oil, flatting oil, babbitt metals and Lead makes glass an object of beauty and solder. admiration. Botli at home and on the street, lead, in spectacle and reading-glass lenses, aids the vision of'many thousands. National Lead Company also makes lead products for practically every purpose to which lead can be put in art, industry and daily life. The astronomer searches the Milky Way If you want information regarding any par with the powerful lead-glass lens of his tele ticular use of lead, write to us. scope. 'File chemist and the biologist invoke the aid of the microscopic lens in which is lead. The photographer and the motion pic ture operator with their camera lenses contain ing lead record the pictorial history of the world. If you wish to read further about lead, we can tell you of a number of interest ing books on the subject. The latest and probably most com plete story of lead and its many uses is "Lead, the Precious In the millions of buildings that are lighted Metal." published by the Cen by electricity, lead in electric light bulbs is tury Co., New York. Price helping to make night as much like day as SU5. If you are unable to get possible. The glass used in other ways for illu it at your bookstore, write the minating purposes is also generally lead-glass. publisher or order through us. NATIONAL LEAD COMPANY 0007-SUP-00000158U