13181. Invention

Invention : parking meter
Year : 1932
Inventor : carl c. magee
Country : us.

13182. Invention

Invention : particle accelerator
Year : 1929
Inventor : sir john douglas cockcroft, ernest thomas sinton walton
Country : ireland/uk.

13183. Invention

Invention : pasteurization
Year : 1864
Inventor : louis pasteur
Country : france.

13184. Invention

Invention : pen, ballpoint
Year : 1938
Inventor : lazlo biro
Country : hungary.

13185. Invention

Invention : pencil
Year : 1565
Inventor : conrad gesner
Country : switzerland.

13186. Invention

Invention : periodic table
Year : 1871
Inventor : dmitry ivanovich mendeleyev
Country : russia.

13187. Invention

Invention : personal watercraft, motorized
Year : 1968
Inventor : bombardier, inc.
Country : canada.

13188. Invention

Invention : petroleum jelly
Year : 1870s
Inventor : robert chesebrough
Country : us.

13189. Invention

Invention : phonograph
Year : 1877
Inventor : thomas alva edison
Country : us.

13190. Invention

Invention : photocopying (xerography)
Year : 1937
Inventor : chester f. carlson
Country : us.

13191. Invention

Invention : photography
Year : 1837
Inventor : louis-jacques-mande daguerre
Country : france.

13192. Invention

Invention : photography, instant
Year : 1947
Inventor : edwin herbert land
Country : us.

13193. Invention

Invention : play-doh
Year : 1956
Inventor : noah w. & joseph s. mcvicker
Country : us.

13194. Invention

Invention : plow, steel
Year : 1836
Inventor : john deere
Country : us.

13195. Invention

Invention : pocket watch
Year : c. 1500
Inventor : peter henlein
Country : germany.

13196. Invention

Invention : polyethylene
Year : 1935
Inventor : eric fawcett, reginald gibson
Country : uk.

13197. Invention

Invention : polygraph (lie detector)
Year : 1921
Inventor : john a. larson
Country : us.

13198. Invention

Invention : polyvinyl chloride (pvc)
Year : 1872
Inventor : eugen baumann
Country : germany.

13199. Invention

Invention : post-it notes
Year : mid-1970s
Inventor : arthur fry (3m)
Country : us.

13200. Invention

Invention : potato chips
Year : 1853
Inventor : george crum
Country : us.

13201. Invention

Invention : printing press, movable type
Year : c. 1450
Inventor : johannes gutenberg
Country : germany.

13202. Invention

Invention : prozac
Year : 1972
Inventor : ray w. fuller, bryan b. molloy, david t. wong
Country : us.

13203. Invention

Invention : radar
Year : c. 1904
Inventor : christian hulsmeyer
Country : germany.

13204. Invention

Invention : radio
Year : 1896
Inventor : guglielmo marconi
Country : italy.

13205. Invention

Invention : radio, car
Year : early 1920s
Inventor : william p. lear
Country : us.

13206. Invention

Invention : rayon
Year : 1884
Inventor : louis-marie-hilaire bernigaud, count of chardonnet
Country : france.

13207. Invention

Invention : razor, electric
Year : 1928
Inventor : jacob schick
Country : us.

13208. Invention

Invention : razor, safety
Year : c. 1900
Inventor : king camp gillette
Country : us.

13209. Invention

Invention : reaper, mechanical
Year : 1831
Inventor : cyrus hall mccormick
Country : us.

13210. Invention

Invention : record, long-playing (lp)
Year : 1948
Inventor : peter carl goldmark
Country : us.

13211. Invention

Invention : refrigerator
Year : 1842
Inventor : john gorrie
Country : us.

13212. Invention

Invention : remote control, television
Year : 1950
Inventor : robert adler
Country : us.

13213. Invention

Invention : respirator
Year : c. 1955
Inventor : forrest m. bird
Country : us.

13214. Invention

Invention : revolver
Year : 1835-36
Inventor : samuel colt
Country : us.

13215. Invention

Invention : richter scale
Year : 1935
Inventor : charles francis richter, beno gutenberg
Country : us.

13216. Invention

Invention : rifle, assault
Year : 1944
Inventor : hugo schmeisser
Country : germany.

13217. Invention

Invention : roller coaster
Year : 1884
Inventor : lemarcus a. thompson
Country : us.

13218. Invention

Invention : rubber, vulcanized
Year : 1839
Inventor : charles goodyear
Country : us.

13219. Invention

Invention : rubber band
Year : 1845
Inventor : stephen perry
Country : uk.

13220. Invention

Invention : saccharin
Year : 1879
Inventor : ira remsen, constantin fahlberg
Country : us, germany.

13221. Invention

Invention : saddle (riding)
Year : c. 200 bc
Inventor : -
Country : china.

13222. Invention

Invention : safety pin
Year : 1849
Inventor : walter hunt
Country : us.

13223. Invention

Invention : satellite, successful artificial earth
Year : 1957
Inventor : sergey korolyov, et al.
Country : ussr.

13224. Invention

Invention : satellite, communications
Year : 1960
Inventor : john robinson pierce
Country : us.

13225. Invention

Invention : saxophone
Year : 1846
Inventor : antoine-joseph sax
Country : belgium.

13226. Invention

Invention : scotch tape
Year : 1930
Inventor : richard drew (3m)
Country : us.

13227. Invention

Invention : scuba gear
Year : 1943
Inventor : jacques cousteau, emile gagnan
Country : france.

13228. Invention

Invention : seat belt, automotive shoulder
Year : 1959
Inventor : nils bohlin (volvo)
Country : sweden.

13229. Invention

Invention : sewing machine
Year : 1841
Inventor : barthelemy thimonnier
Country : france.

13230. Invention

Invention : shoelaces
Year : 1790
Inventor : -
Country : england.

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Book : the career & legend of vasco de gama
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