List
of Inventions and Inventors Questions:
|
31
|
Match
(Safety)
|
J.E.
Lurdstrom
|
Sweden
|
1855
|
|
32
|
Microphone
|
David
Hughes
|
USA
|
1878
|
|
33
|
Microscope
|
Z.
Jansen
|
Netherlands
|
1590
|
|
34
|
Motor
Car (Petrol)
|
Karl –Benz
|
Germany
|
1885
|
|
35
|
Motorcycle
|
Edward
Butler
|
England
|
1884
|
|
36
|
Neon
-Lump
|
G.
Claude
|
France
|
1915
|
|
37
|
Nylon
|
Dr
W.H. Carothers
|
USA
|
1937
|
|
38
|
Photography
(Paper)
|
W.H.
Fox Tablot
|
England
|
1835
|
|
39
|
Printing
Press
|
J.
Gutenberg
|
Germany
|
1455
|
|
40
|
Rader
|
Dr
A.H. Taylor and L.C. young
|
USA
|
1922
|
|
41
|
Radium
|
Marie
and Pierre Curie
|
France
|
1898
|
|
42
|
Radio
|
G.
Marconi
|
England
|
1901
|
|
43
|
Rayon
|
American
viscose Co.
|
USA
|
1910
|
|
44
|
Razor
(Safety)
|
K.G.
Gillette
|
USA
|
1895
|
|
45
|
Razor
(electric)
|
Col.
J. Schick
|
USA
|
1931
|
|
46
|
Refrigerator
|
J .
Harrison and A. Catlin
|
Britain
|
1834
|
|
47
|
Revolver
|
Samuel
Colt
|
USA
|
1835
|
|
48
|
Rubber
(Vulcanized)
|
Charles
Good year
|
USA
|
1841
|
|
49
|
Rubber
(Waterproof)
|
Charles
Macintosh
|
Scotland
|
1819
|
|
50
|
Safety
Lamp
|
Sir
Humphrey
|
England
|
1816
|
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