Wikipedia Opening Sentences (Inventions)

Guess these history changing inventions using just the first two sentences or less of their wikipedia page.
Quiz by islabonita
Last updated: October 17, 2019
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First submittedOctober 17, 2019
Times taken13
Average score66.7%
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Wikipedia Opening
Instrument used for navigation and orientation that shows direction relative to the geographic cardinal directions.
The Compass
A mechanical device for applying pressure to an inked surface resting upon a print medium, thereby transferring the ink.
The Printing Press
A type of negotiable promissory note, made by a bank, payable to the bearer on demand.
Paper Currency
An alloy of iron and carbon, and sometimes other elements.
A device that produces visible light from electric current.
The Electric Light
One of two extant subspecies of Equus ferus.
Domestication of the Horse
A semiconductor device used to amplify or switch electronic signals and electrical power.
A convex lens that is used to produce a magnified image of an object.
Magnifying Lenses
A point-to-point text messaging system, used from the 1840s until better systems became widespread.
The Telegraph
A circular block of a hard and durable material at whose center has been bored a circular hole through which is placed an axle.
The Wheel
A device consisting of one or more electrochemical cells with external connections provided to power electrical devices.
A standard set of letters that represent the phonemes of any spoken language.
The Alphabet
An ancient calculating tool used centuries before the Arabic numeral system.
The Abacus
A thin material produced by pressing together moist fibres of cellulose pulp derived from wood, rags or grasses.
The earliest known chemical explosive.
Gun Powder
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