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.
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.
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Category Information : Gambling
This is our Gambling category. If you are interested in Gambling, feel free to browse these listings. If you have a site that fits within this category, Submit it for inclusion.
Our site that is devoted to Gambling Online provides with information about casino rules, top casino players, gambling promotions, cirrus casino. Play casino on all best gambling.
Website in Italia about poker online, best room of poker are presented and a lot of bonus special are offered just for the visitors of Pokermania. Find rules of poker texas holdem, ohama or stud ga...
Which is the right approach you should use in order to win on online roulette and who can be considered a successful player. Believe me such players exist and the most important is that any of them use a complete solution in order to success.
The article is devoted to the description of such popular casino games as on-line slots. Much attention is paid to how to choose a website for online gambling and to the tactics of the game.
The article is devoted to online gambling websites, particularly to online casino scams. It also provides recommendations on how not to fall prey to online casino scammers.
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