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2. IBM CPC - Wikipedia

   en.wikipedia.org/wiki/IBM_CPC

   The card-programmed calculators used fields on punched cards not to specify the actual operations to be performed on data, but which "microprogram" hard-coded onto the plugboard of the IBM 604 or 605 calculator machine; a set of cards produced different results when used with different plugboards. The units could be configured to retain up to ...

3. Golf equipment - Wikipedia

   en.wikipedia.org/wiki/Golf_equipment

   Various designs exist, and many golf courses provide stand-mounted ball-washers near the tee box of each hole. Some courses even have ball and club washers on each golf cart. According to strict rules, the ball is not allowed to be cleaned between a player's tee shot and the ball's landing on the green, except to the degree necessary to inspect ...

4. Hole punch - Wikipedia

   en.wikipedia.org/wiki/Hole_punch

   The holes are positioned symmetrically, with the centers 4 + 1 ⁄ 4 inches (108 mm) apart. It requires paper formats that are at least 9 + 1 ⁄ 2 inches (241 mm) high. There is a variant for half-letter size pages ( 8 + 1 ⁄ 2 by 5 + 1 ⁄ 2 inches or 220 mm × 140 mm), whose three holes are 2 + 3 ⁄ 4 inches (70 mm) apart.

5. Mechanical pencil - Wikipedia

   en.wikipedia.org/wiki/Mechanical_pencil

   A mechanical pencil or clutch pencil is a pencil with a replaceable and mechanically extendable solid pigment core called a "lead" / ˈ l ɛ d /. The lead , often made of graphite , is not bonded to the outer casing, and the user can mechanically extend it as its point is worn away from use.

6. IBM 602 - Wikipedia

   en.wikipedia.org/wiki/IBM_602

   The IBM 602 Calculating Punch, introduced in 1946, was an electromechanical calculator capable of addition, subtraction, multiplication, and division. The 602 was IBM 's first machine that did division.

7. Obsolete golf clubs - Wikipedia

   en.wikipedia.org/wiki/Obsolete_golf_clubs

   Early golf clubs were all made of wood. They were hand-crafted, often by the players themselves, and had no standard shape or form. [1] As the sport of golf developed, a standard set of clubs began to take shape, with different clubs being fashioned to perform different tasks and hit various types of shot. Later, as more malleable iron became ...