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  2. Karl Storz Endoskope - Wikipedia

    en.wikipedia.org/wiki/Karl_Storz_Endoskope

    Karl Storz Endoscopy Canada Ltd. was established in December 1995 to offer Canadian customers even more direct support. [24] After the death of Karl Storz in 1996, his daughter, Sybill, assumed leadership of the company. [25] Under her guidance, the company registered over 100 new patents and achieved annual sales growth rates of 15 to 20 ...

  3. Automatic center punch - Wikipedia

    en.wikipedia.org/wiki/Automatic_center_punch

    The punch; The intermediate rod (tumbler) The hammer (hammer mass) The hammer mass is spring-loaded from the back of the punch by a large spring. (The spring's preload compression can usually be adjusted by loosening or tightening the end cap at the back-most portion of the punch, to decrease or increase the force of the punch.)

  4. Schwerer Gustav - Wikipedia

    en.wikipedia.org/wiki/Schwerer_Gustav

    The gun's shells had to punch through seven metres of reinforced concrete or one full metre of steel armour plate, from beyond the range of French artillery. [7] Krupp engineer Erich Müller calculated that the task would require a weapon with a calibre of around 80 centimetres (31 in), firing a projectile weighing seven tonnes (15,000 lb) from ...

  5. Karl-Gerät - Wikipedia

    en.wikipedia.org/wiki/Karl-Gerät

    Karl-Gerät (040/041) (lit. ' Karl-device ' in German), also known as Mörser Karl , was a World War II German self-propelled siege mortar ( Mörser ) designed and built by Rheinmetall . Its heaviest munition was a 60 cm (24 in) diameter, 2,170 kg (4,780 lb) shell ; the range for its lightest shell of 1,250 kg (2,760 lb) was just over 10 km (6. ...

  6. Punch (tool) - Wikipedia

    en.wikipedia.org/wiki/Punch_(tool)

    A prick punch is similar to a center punch but used for marking out. It has a sharper angled tip to produce a narrower and deeper indentation. The indentation can then be enlarged with a center punch for drilling. The tip of a prick punch is 60 degrees (the angle depends on what type of prick punch one is using). [1] It is also known as a dot ...

  7. Punched card input/output - Wikipedia

    en.wikipedia.org/wiki/Punched_card_input/output

    An IBM 80-column punched card of the type most widely used in the 20th century IBM 1442 card reader/punch for 80 column cards. A computer punched card reader or just computer card reader is a computer input device used to read computer programs in either source or executable form and data from punched cards.

  8. Punchcutting - Wikipedia

    en.wikipedia.org/wiki/Punchcutting

    A punch (left) and the respective matrix produced from it (right). The small letters at the base of the matrix are founders marks. Punchcutting is a craft used in traditional typography to cut letter punches in steel as the first stage of making metal type. [1]

  9. Punch down tool - Wikipedia

    en.wikipedia.org/wiki/Punch_down_tool

    A punch down tool, punchdown tool, IDC tool, or a Krone tool (named after the Krone LSA-PLUS connector), is a small hand tool used by telecommunication and network technicians. It is used for inserting wire into insulation-displacement connectors on punch down blocks , patch panels , keystone modules , and surface mount boxes (also known as ...