its for history class
2007-03-22 04:16:16 · 5 answers · asked by Chelsea P 1 in Arts & Humanities ➔ History
Tommy Gun - 1920 - John T. Thompson
Band-Aid - 1920 - Earle Dickson
Insulin - 1922 - Sir Frederick Grant Banting
Refrigerator - 1922 - Balzer von Platen & Carl Munters
Traffic Signal - 1923 - Garrett Morgan
Frozen Food - 1923 - Clarence Birdseye
PEZ candy - 1927 - Robert Goodard
Aerosol can - 1927 -Erik Rotheim
Penicillin - 1928 - Alexander Fleming
Bubble gum - 1928 - Walter Deimer
2007-03-22 04:32:47 · answer #1 · answered by danchan22 2 · 0⤊ 0⤋
ADHESIVE TAPE first tape invention was a masking tape made for painters in 1923
In 1924, Baird televised objects in outline. In 1925, he televised human faces. In 1926, Baird was the first person to televise pictures of objects in motion.
BAND-AID® in 1920, making a small, sterile adhesive bandage for home use
The automatic commercial bread slicer was invented in 1927
made cellophane waterproof in 1927.
After many years of failed attempts and public ridicule, Goddard's first successful rocket was launched on March 16, 1926 from a relative's farm in Auburn, Massachusetts. It was a liquid-fueled 10-ft. rocket that he called Nell. The flight lasted 2 1/2 seconds; the rocket flew a distance of 184 feet and achieved an altitude of 41 feet.
The powdered drink Kool-Aid was invented in 1927
The Q-tip was invented in the 1920's.
spray can-On November 23, 1927, Rotheim patented a can with a valve and propellant systems - it could hold and dispense liquids.
that's all there is on that site... and I clicked on the 1901-1950 and sifted through them... hope that helps you.. =)
2007-03-22 04:24:34 · answer #2 · answered by Anonymous · 0⤊ 0⤋
Chelsea, here's a site that will give you the answers. Please click below. The list contained in the website is informative and seems to be complete. Plus, there are more than ten just in any certain decade. It's not even complicated to look at.
2007-03-22 04:34:27 · answer #3 · answered by Dowland 5 · 0⤊ 0⤋
I think round about 1920 is when the first "self-start" starter was made and put in vehicles. The "self-start" starter was the first electrical starter to work in the smae fashion modern starters work now. Prior to this, vehicles were turned over manually by a hand crank.
2007-03-22 04:23:05 · answer #4 · answered by Anonymous · 0⤊ 0⤋
rope
soap
the newspaper.
wax candles
ink dipped pens
matches
printing presses to process newspapers
butter
maple syrup
cheese
on and my favourite the lovely. TELEPHONE,...,.,.,.,.
2007-03-22 04:55:12 · answer #5 · answered by Anonymous · 0⤊ 0⤋
tape
TV
vulcanized rubber
bowling
baseball
2007-03-22 04:20:28 · answer #6 · answered by Anonymous · 0⤊ 0⤋
radio
first talkin movie
gangsters and mobs
baseball
just a few....
2007-03-22 04:24:22 · answer #7 · answered by gemini52 3 · 0⤊ 1⤋
Do your own homework.
2007-03-22 04:19:57 · answer #8 · answered by elyjs 2 · 0⤊ 2⤋
GUMMIE BEARS!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! SERIOUSLY
2007-03-22 04:19:28 · answer #9 · answered by Babydoll 2 · 0⤊ 0⤋