enow.com Web Search

Search results

  1. Results from the WOW.Com Content Network
  2. Pencil - Wikipedia

    en.wikipedia.org/wiki/Pencil

    Benjamin Franklin advertised pencils for sale in his Pennsylvania Gazette in 1729, and George Washington used a three-inch (7.5 cm) pencil when he surveyed the Ohio Country in 1762. [26] [better source needed] William Munroe, a cabinetmaker in Concord, Massachusetts, made the first American wood pencils in 1812. This was not the only pencil ...

  3. Pencil case - Wikipedia

    en.wikipedia.org/wiki/Pencil_case

    A pencil case or pencil box is a container used to store pencils.A pencil case can also contain a variety of other stationery such as sharpeners, pens, glue sticks, erasers, scissors, and rulers.

  4. Colored pencil - Wikipedia

    en.wikipedia.org/wiki/Colored_pencil

    A variety of colored pencils. A colored pencil (American English), coloured pencil (Commonwealth English), [1] colour pencil (Indian English), map pencil, [2] pencil crayon, or coloured/colouring lead (Canadian English, Newfoundland English) is a type of pencil constructed of a narrow, pigmented core encased in a wooden cylindrical case.

  5. Parallel rulers - Wikipedia

    en.wikipedia.org/wiki/Parallel_rulers

    Parallel rule in plastic with aluminum arms lying on a cutting mat. Parallel rulers are a drafting instrument used by navigators to draw parallel lines on charts. The tool consists of two straight edges joined by two arms which allow them to move closer or further away while always remaining parallel to each other.

  6. Ruler - Wikipedia

    en.wikipedia.org/wiki/Ruler

    A variety of rulers A carpenter's rule Retractable flexible rule or tape measure A closeup of a steel ruler A ruler in combination with a letter scale. A ruler, sometimes called a rule, scale or a line gauge or metre/meter stick, is an instrument used to make length measurements, whereby a length is read from a series of markings called "rules" along an edge of the device. [1]

  7. Centimetre - Wikipedia

    en.wikipedia.org/wiki/Centimetre

    Different lengths as in respect to the electromagnetic spectrum, measured by the metre and its derived scales.The microwave is in-between 1 meter to 1 millimeter.. A centimetre or centimeter (US/Philippine spelling), with SI symbol cm, is a unit of length in the International System of Units (SI) equal to one hundredth of a metre, centi being the SI prefix for a factor of ⁠ 1 / 100 ⁠. [1]

  8. Pencil (optics) - Wikipedia

    en.wikipedia.org/wiki/Pencil_(optics)

    A pencil-beam radar A moving or sweeping pencil-beam radar. In optics, a pencil or pencil of rays, also known as a pencil beam or narrow beam, is a geometric construct (pencil of half-lines) used to describe a beam or portion of a beam of electromagnetic radiation or charged particles, typically in the form of a cone or cylinder.