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    TELEPHONE SWITCHBOARD
    January 17, 1882 - Chicago, Illinois, U.S.A.

    A telephone switchboard was issued a U.S. patent to Leroy Firman of Chicago, Illinois (No. 252,576), which was assigned to the Western Electric Manufacturing Co. Also of Chicago. With his invention of a “multiple switchboard for telephone exchanges,” Firman addressed the problem of increasing numbers of subscribers. Previously, single switchboards, each with an attendant, served their group of individual lines. A large exchange was thus divided up into a number of internal exchange switchboards which were worked together as necessary, with trunk lines between the boards. Firman devised an arrangement to handle an exchange of a thousand or more subscribers with line status information exchanged between switchmen.

    PUNCHBOARDS
    January 17, 1905 - Chicago, Illinois, U.S.A.

    The first U.S. patent was issued for a punchboard to Charles A. Brewer and Clinton G. Scannell of Chicago, Illinois, described as “vending devices.” They were manufactured by Charles A. Brewer & Sons in the same city. (No. 780,086). Even though the equivalent of punchboards had been around for many years, they had never been available in such a neat and portable form. The invention of board stuffing machines and ticket folding and plaiting machines in the late 1910s was probably the key factor which allowed the punchboard industry to flourish. Once the boards became cheap to manufacture, they flooded the country. Noted gambling author John Scarne estimates that 30 million punchboards were sold in 1910-15.

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    Facts about drugs can protect against drug abuse. Legal drugs, such as alcohol and tobacco, kill more people than illegal drugs. Tobacco (smoking cigarettes) kills more people than any other drug. Illegal drugs including heroin, cannabis, ecstasy and amphetamines can have unknown or dangerous ingredients. Mixing drugs, especially with alcohol, can be fatal. Harvard Medical School
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Website preview thumbnail for : Sizzle Nandi Valley
Retirement and Weekend homes- ?? Sites for sale at Nandi Hills. DTCP (Govt.) Approved layout and DC conversion, A-Khata plots. Gated community layout with all amenities such as: 1) Park. 2) Childre...
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We have developed our portals for providing professional services for transparent deals of properties for our clients. Our extensive database ensures a wide spectrum of choice in properties to our ...
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Progressive Fence is a fence Company in Atlanta, offers commercial, residential and industrial fences and gates in metro region and North Georgia, and provides wooden fences, Ornamental aluminum an...
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Absolute entry is an Atlanta based gate installation Company, specialized in automated gates and fences for commercial as well as residential. It is one of the biggest companies in Gates and fencin...
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The professional and efficient chauffeurs of limo hire in London can help you reach your destinations comfortably on time.
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Komfortable Nichtraucher Ferienwohnung im Herzen vom schoenen Fischerdorf Greetsiel.
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As recruitment specialists, Bis Henderson work with businesses to successfully hire supply chain, logistics and procurement professionals on a permanent and interim basis across professional, manag...
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Hand Made Leather Dog Harnesses, Leather Dog Collars and Leather Dog Leads, our products are made from the finest bridal leather, all dog collars, dog leads and dog harnesses that we stock are made...
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A whipsaw is a representation of profit-taking going on in the market.
Whether you're an experienced affiliate marketer or a novice simply looking to make some extra cash from your web traffic, The Vapor industry has grown to over 3.5 Billion in revenue in 2015, and continues to grow exponentially annually. It's not a one-time purchase industry, either- customers keep coming back. You don't want to miss out on this opportunity to join the gold rush of our generation. Our program is not only easy and free to join; we will give you $25 to sign up as a bonus.
Unfortunately just like humans our pets will age too. With the aging process comes health problems and with health problems comes very expensive vet bills. Research you dog
No matter what else you are doing from cradle days through to the end, You're writing your Life's secret story, Each night sees another page penned.

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