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A chip log consists of a wooden board attached to a line (the log-line ). The log-line has a number of knots at uniform intervals. The log-line is wound on a reel so the user can easily pay it out . Over time, log construction standardized. The shape is a quarter circle, or quadrant with a radius of 5 inches (130 mm) or 6 inches (150 mm), [1 ...
Logbook (nautical) Logbook aboard the frigate Grand Turk. A logbook (a ship's logs or simply log) is a record of important events in the management, operation, and navigation of a ship. It is essential to traditional navigation, and must be filled in at least daily. The term originally referred to a book for recording readings from the chip log ...
Thomas Walker & Son were inventors and makers of nautical instruments in the 19th and 20th centuries. The firm made one of the most commonly used navigation instruments, the 'log' which allowed sailors to measure distance at sea, [1] [2] one of the main measurements used in nautical navigation. The firm was founded by Thomas Walker in ...
Chip-log sandglass Ship log sandglass in the left of the chip log. From the 16th century a much smaller 30-second "glass" was used along with the chip log, to measure the speed (in knots) of the vessel over the water. The procedure was as follows: A sailor ran the chip log and another sailor the sandglass. The slide of the pulled over the stern ...
Woodchipper. A tree chipper or woodchipper [1] is a machine used for reducing wood (generally tree limbs or trunks) into smaller woodchips. They are often portable, being mounted on wheels on frames suitable for towing behind a truck or van. Power is generally provided by an internal combustion engine from 2 to 700 kilowatts (3 to 1,000 ...
An EMV credit card. EMV is a payment method based on a technical standard for smart payment cards and for payment terminals and automated teller machines which can accept them. EMV stands for " Europay, Mastercard, and Visa ", the three companies that created the standard. [1]
A logbook (or log book) is a record used to record states, events, or conditions applicable to complex machines or the personnel who operate them. Logbooks are commonly associated with the operation of aircraft, nuclear plants, particle accelerators, and ships (among other applications). The term logbook originated with the ship's log, a ...
Integrated circuit. A microscope image of an integrated circuit die used to control LCDs. The pinouts are the dark circles surrounding the integrated circuit. An integrated circuit ( IC ), also known as a microchip, computer chip, or simply chip, is a small electronic device made up of multiple interconnected electronic components such as ...