Temperature indicators; gasometers; thermometers; water meters; scales; tape measures; planimeters; manometers for measuring the atmospheric pressure related to sea level altitude; level indicators; acoustic meters; tachometers; accelerometers; refractometers; luminous flux meters; actinometers; altimeters; hygrometers; illuminometers; vibration meters; noise meters; logs, namely, measuring machines for measuring the magnetism of the earth (terrestrial magnetism); speed indicators; calorimeters; viscosimeters; concentration meters; gravimeters; densimeters; dynamometers; flowmeters; angle gauges; angle dividing apparatus; spherometers; inclinometers; interferometers; straightness testing machines and instruments; length measuring gauges; screw-thread measuring machines and instruments; comparators; surface roughness testing machines and instruments; flatness testing machines and instruments; automatic pressure control machines and instruments; automatic liquid-flow control machines and instruments; electric or magnetic meters and testers; tilting heads for cameras; cameras; range finders for cameras; tripods for cameras; tripods for telescopes; magnetic direction sensors for mobile phones; navigation apparatus for vehicles and for portable equipment; pre-recorded magnetic discs, magnetic tapes, and other record media, namely, semiconductor devices, hologram apparatus, optical discs, and optical magnetic discs recorded with computer programs for converting output information from magnetic sensors into information of direction, and correcting the effect of position and inclination of devices; computer programs for converting output information from magnetic sensors into information of direction, and correcting the effect of position and inclination of devices; Geiger counters; magnetic prospecting machines; magnetic object detectors; buoyages, namely, buoyancy bladders, life-buoys, marker buoys, and navigations buoys