Fast delivery for Magnetic building block for Eindhoven Manufacturer

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15 years experience Quality & Reputation concerned Coating : NiCuNi  , Zn , NiCuNi+Sn ,NiCuNi+Cr ,NiCuNi+ Au By air  ( magnet power  shelding package ); By sea ( plastic sack  package )


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As a way to ideal meet up with client's desires, all of our operations are strictly performed in line with our motto "High Top quality, Competitive Cost, Fast Service" for Thermal Insulation , Mica Sheet , Ring Gasket , Our products are widely recognized and trusted by users and can meet continuously developing economic and social needs.
Fast delivery for Magnetic building block for Eindhoven Manufacturer Detail:

15 years experience

Quality & Reputation concerned

Coating : NiCuNi  , Zn , NiCuNi+Sn ,NiCuNi+Cr ,NiCuNi+ Au

By air  ( magnet power  shelding package ); By sea ( plastic sack  package )


Product detail pictures:


Our aim is usually to give superior quality items at aggressive rates, and top-notch company to clients around the earth. We have been ISO9001, CE, and GS certified and strictly adhere to their good quality specifications for Fast delivery for Magnetic building block for Eindhoven Manufacturer, The product will supply to all over the world, such as: Birmingham , Porto , Guatemala , We have sufficient experience in producing products according to samples or drawings. We warmly welcome customers from home and abroad to visit our company, and to cooperate with us for a splendid future together.



  • [Originally recorded: 1957]

    John T. Potter, who founded Potter Instrument Company in 1942, was a prolific inventor with over 80 US patents. On September 1, 1948 he applied for a patent on a “Three-Dimensional Selector and Memory Device”, and it was issued as patent number 2,620,389 on December 2, 1952.

    The invention was for a digital storage device that used steel wires strung on a set of two-dimensional frames that were packed together in rows. The machine would access one of the frames, then a particular wire in the frame, and then the data recorded somewhere on the wire. It was three-dimensional memory. In 1955 Potter negotiated a contract with the of the Univac military computer division of Sperry Rand to develop and build three of the three-dimensional memories. The Project Engineer was George Comstock, who began work on January 2, 1956.

    Just sixteen months later, in April 1957, the three working completed units were delivered to Univac in St. Paul, Minnesota. But there were several significant differences from the invention as disclosed in the patent:

    1. Instead of wires, the storage medium was strips of the 1⁄2″ mylar-backed magnetic tape that was commonly being used in reel-to-reel computer tape drives.
    2. Instead of using rotating shafts and electromagnets, the three-dimensional positioning was done using hydraulic cylinders with binary-coded displacements. This was a variation of a positioning system using binary- coded rotating rings that Potter had filed a patent on in 1951.
    3. The storage bin containing all the tapes could be taken out of the unit and replaced with another, making the total amount of storage unlimited. This interchangeable media provided true removable data storage. None of the other random-access magnetic storage devices of the time, like IBM’s RAMAC disk drive, had removable media.

    For more details on device theory and operation, see: http://archive.computerhistory.org/resources/access/text/2015/05/102740072-05-01-acc.pdf

    Catalog Number: 102740069
    Lot Number: X7460.2015



    Método económico para pegar alfombras a partir de nafta y trozos reciclados de telgopor.
    Cámara y Edición: Gérman Gónzalez
    Música: Chivo Kalavera

    2015

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