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The most significant article for Physica was a compass, competing the market with Suunto Oy. [7] Physica sued Vohlonen, because, according to them, the supplements described a totally different product, the original application didn’t mention anything about a manufacturing method and, in addition, the method was elsewhere used long before the ...
Suunto Quest is a heart rate monitor aimed at sports training. Suunto Ambit series, with the first version released in 2012 and later having included Ambit2 and Ambit3 lineups. These include GPS, ABC-functions, rechargeable battery, advanced training functions (in training functions Ambit is a successor of T6) and updatable software
Floating-card compass with prismatic sight (bearing 220° through eyepiece). The marine hand compass, or hand bearing compass|hand-bearing compass as it is termed in nautical use, has been used by small-boat or inshore sailors since at least the 1920s to keep a running course or to record precise bearings to landmarks on shore in order to determine position via the resection technique.
Chip log and sand glass serve to measure the ship's speed through the water.; Sounding line used to measure the depth of the water and to pick up samples from the bottom.; Drift meter optically measures the effects of wind on an aircraft in flight.
4 - Compass north, including a two-part error; the magnetic variation (6) and the ship's own magnetic field (5) 5 - Magnetic deviation, caused by vessel's magnetic field. 6 - Magnetic variation, caused by variations in Earth's magnetic field. 7 - Compass heading or compass course, before correction for magnetic deviation or magnetic variation.
Instruments used to plot a course on a nautical chart. In navigation, the course of a watercraft or aircraft is the cardinal direction in which the craft is to be steered.The course is to be distinguished from the heading, which is the direction where the watercraft's bow or the aircraft's nose is pointed.
The azimuth compass still had great value in letting the master of a ship determine how far the magnetic compass varied from true north, so he could set a more accurate course while following a line of constant latitude or using dead reckoning to navigate. In 1795 a British First Rate ship would have up to eight compasses, of which one was an ...
Egyptian boat represented in the tomb of Menna, Tombs of the Nobles, 18th dynasty, mid-2nd millennium BC. Model of an Egyptian ship and crew. Type of Phoenician ships called hippos (name given by the Greeks, because of its mascaron shaped like a horse's head) carrying wood, depicted in an Assyrian relief from Sargon's palace at Khorsabad .