1930 Morning Post 21 July 4 A device styled the gyro-accelerometer, which measures every movement of a carriage and records it on a chart with decimal accuracy.

1936 ‘J. Beynon’ Planet Plane v. 40 Machines of every kind from the dainty flipabout to the massive gyrobus..started to float in from each quarter.

1956 ‘W. Tenn’ Time in Advance (1963) 62 They climbed quickly into one of the many hovering gyrocabs.

1909 Westm. Gaz. 8 Nov. 8/3 The gyro-car, as Herr Scherl calls it, is to make a series of runs..in the Exhibition Hall at the Zoological Gardens.

1909 Daily Chron. 11 Nov. 1/6 We waited for the gyro-car to emerge from its shed.

1961 Ford Bulletin 14 Apr. 2/5 The Gyron is not the first two-wheeled gyro car.

1970 B. Wallis in Daily Tel. 16 Oct. (Colour Suppl.) 46/2 I am convinced that the car of the future will be a gyroscopically-controlled two-wheeler, with one wheel in the front, the other behind... When my gyrocar cornered it would, irrespective of speed, heel over at the correct angle.

1910 tr. Anschütz Gyro Compass 10 An accurate means of determining direction by some ‘nonmagnetic’ appliance is of great importance; this is..appreciated by many of the large navies, who are installing the Gyro Compass in their submarines.

1911 Chambers's Jrnl. 27 May 414/2 The magnetic compass is easily deranged... Its rival is the gyro-compass.

1913 J. H. Poynting Earth 98 That very remarkable invention by the brothers Anschütz, termed the Gyro Compass.

1931 Times Lit. Suppl. 22 Jan. 51/3 A speck of dust might cause a gyro compass to ‘wander’.

1966 McGraw-Hill Encycl. Sci. & Technol. (rev. ed.) VI. 305/2 Modern gyrocompasses..are now used as the prime navigational instrument on nearly every ship.

1939 War Illustr. 29 Dec. 539/2 At ten thousand feet, our gyro-horizon froze.

1942 B. A. Shields Princ. Flight viii. 297 The gyro horizon, or the artificial horizon as it is often called, also depends on a gyroscope for its operation.

1923 Westm. Gaz. 24 Dec. Through the agency of an invention known as the gyro-pilot apparatus, the Cunard liner Laconia, which reached Liverpool yesterday, steered from New York a straight course without human aid.

1924 Glasgow Herald 8 Jan. 7 Gyro-Pilot for Cargo Boats.

1936 Jrnl. Royal Aeronaut. Soc. 40 555 Air sickness is practically non-existent on..air lines, which use scientific comfort conditioning and which also use gyropilots.

1942 F. H. Joseph Lett. Home from Brit. at War 55 Boulton-Paul [gun turret] with Gyro-Sight. Improved reflector sight with a rate gyro.

1921 Sci. Amer. 18 June 482/3 The gyro-stablizer damps out the rolling of a vessel.

1946 Nature 24 Aug. 250/1 The marine applications fall into three groups, the gyro compass, the gyro pilot and the gyro stabilizer.

1957 Encycl. Brit. XI. 51/1 By dealing with each wave increment individually and by exerting a small counteracting force against it at just the right moment, the gyrostabilizer quenches the force of each wave and never allows the vessel to build up a roll averaging more than three or four degrees.

1946 Wells & Glenny in M. Davidson Gyroscope iii. ii. 170 A gyro-magnetic compass..should not be confused with a gyro-stabilised magnetic compass.

1959 F. D. Adams Aeronaut. Dict. 87/2 Gyro-stabilized, stabilized by a gyro~scope, as in gyro-stabilized compass, gyro-stabilized drift meter.

1963 New Yorker 1 June 125 (advt.) You'll stand at the rail, watch the infinite sea—so smooth to your gyro-stabilized ship.

1971 N.Y. Times 4 Sept. 23/1 More than 30 Greek snack stores selling the gyro have opened in Manhattan in the last year.

1978 New Yorker 23 Oct. 101/1 Soyer circled the area, took his time, and settled for a Greek gyro—mounds of thinly sliced, garlicky pressed beef and lamb on pita bread.

1986 St. Louis (Missouri) Post-Dispatch 28 May 2 d/1 Instead of going to your neighborhood gyro parlour, now you can assemble your own..ready-to-eat gyro kits, which come with sliced meat, pita bread and cucumber sauce.