13145. Invention

Invention : lock and key
Year : c. 2000 bc
Inventor : assyrians
Country : mesopotamia.

13146. Invention

Invention : locomotive
Year : 1829
Inventor : george stephenson
Country : england.

13147. Invention

Invention : longbow
Year : c. 1000
Inventor : -
Country : wales.

13148. Invention

Invention : loudspeaker
Year : 1924
Inventor : chester w. rice, edward w. kellogg
Country : us.

13149. Invention

Invention : magnetic resonance imaging (mri)
Year : early 1970s
Inventor : raymond damadian, paul lauterbur
Country : us.

13150. Invention

Invention : margarine
Year : 1869
Inventor : hippolyte mege-mouries
Country : france.

13151. Invention

Invention : matches, friction
Year : 1827
Inventor : john walker
Country : england.

13152. Invention

Invention : metric system of measurement
Year : 1795
Inventor : french academy of sciences
Country : france.

13153. Invention

Invention : microphone
Year : 1878
Inventor : david e. hughes
Country : uk/us.

13154. Invention

Invention : microscope, compound optical
Year : c. 1600
Inventor : hans & zacharias jansen
Country : the netherlands.

13155. Invention

Invention : microscope, electron
Year : 1933
Inventor : ernst ruska
Country : germany.

13156. Invention

Invention : microwave oven
Year : 1945
Inventor : percy l. spencer
Country : us.

13157. Invention

Invention : miniature golf
Year : c. 1930
Inventor : garnet carter
Country : us.

13158. Invention

Invention : mirror, glass
Year : c. 1200
Inventor : venetians
Country : italy.

13159. Invention

Invention : missile, guided
Year : 1942
Inventor : wernher von braun
Country : germany.

13160. Invention

Invention : mobile home
Year : 1919
Inventor : glenn h. curtiss
Country : us.

13161. Invention

Invention : money, paper
Year : late 900s
Inventor : -
Country : china.

13162. Invention

Invention : monopoly (board game)
Year : 1934
Inventor : charles b. darrow
Country : us.

13163. Invention

Invention : morse code
Year : 1838
Inventor : samuel f.b. morse
Country : us.

13164. Invention

Invention : motor, electric
Year : 1834
Inventor : thomas davenport
Country : us.

Fact
In England and the American colonies the year 1752 only had 354 days. In that year, the type of calendar was changed, and 11 days were lost.      .. More >>