logging in or signing up Inventions by LR laurieyingling Download Post to : URL : Related Presentations : Share Add to Flag Embed Email Send to Blogs and Networks Add to Channel Uploaded from authorPOINT lite Insert YouTube videos in PowerPont slides with aS Desktop Copy embed code: (To copy code, click on the text box) Embed: URL: Thumbnail: WordPress Embed Customize Embed The presentation is successfully added In Your Favorites. Views: 44 Category: Entertainment License: All Rights Reserved Like it (0) Dislike it (0) Added: March 31, 2010 This Presentation is Public Favorites: 0 Presentation Description No description available. Comments Posting comment... Premium member Presentation Transcript Inventions in the 1920s : Inventions in the 1920s Laura Rolfs Radio/Television Transmission : Radio/Television Transmission Developed by Ernst Alexanderson It was a high frequency alternator (for radio) Also developed a scanning disk and high frequency neon lamps (for television) Traffic Lights : Traffic Lights William Potts invented Traffic Lights. Used red, green, and amber wires/lights Band-Aid : Band-Aid Earle Dickson invented band-aid’s. Worked for a company that manufactured gauze and tape. Took a piece of tape and stuck a small piece of gauze in the middle. Made it for his wife when she injured her arm Hair Dryer : Hair Dryer A flexable pipe in the exaust of a vaccum cleaner. Overheated easily Lie Detector : Lie Detector Also known as Polygraph. Invented by John A. Larson. It measured heartbeats and a person breathing to check whether they were lying or not. Rocket : Rocket Launched by Robert Hutchings Goddard. Was launched in WW1 Penicillin : Penicillin Antibiotic Invented by Sir Alexander Fleming It saved many lives Frozen Food : Frozen Food Invented by Clarence Birdseye. Put food in perserved waxed cardboard cartons. Tommy Gun : Tommy Gun Invented by JohnT. Thompson. Used by law inforcers and criminals Was named The Thompson Submachine Gun but was also called “Tommy Gun”, “Trench Broom”, “The Chopper”, and many other names. Insulin : Insulin Dr. Fredrick Banting invented it. Made a pancreatic extract which had anti-diabetic qualities. First tested on Leonard Thompson Saved many diabetics INforMAtiON : INforMAtiON http://www.buzzle.com/articles/inventions-of-the-1920s.html inventors.about.com/od/timelines/a/twentieth.htm http://cache.gawker.com/assets/images/2009/05/custom_1242968471548_television.jpg http://classiccrooners.files.wordpress.com/2009/04/1920s-radio.jpg http://betweenyellowandblue.files.wordpress.com/2009/01/traffic_lights1.jpg http://www.abc.net.au/reslib/200711/r196707_748817.jpg http://grocerycompany.com/store/media/catalog/category/frozen-food_1.jpg http://www.rocketroberts.com/rockets/images/joes_rockets_1973.jpg http://school.discoveryeducation.com/clipart/images/rockets.gif http://restrainedfreedom.com/wp-content/uploads/lie_detector.jpg http://www.whyy.org/blogs/itsourcity/files/2009/08/lie-detector-cnvtinl1.jpg https://www.halloweenunlimited.com/images/product/products/tommy_gun3.jpg http://blog.seniors-site.com/wp-content/uploads/2008/04/zzpic-insulin-jet-injector.gif http://coachrouse.files.wordpress.com/2009/02/insulin.jpg http://www.jitterbuzz.com/berstfil/bersted_hair_dryer_02.jpg The End!!! : The End!!! You do not have the permission to view this presentation. In order to view it, please contact the author of the presentation.
Inventions by LR laurieyingling Download Post to : URL : Related Presentations : Share Add to Flag Embed Email Send to Blogs and Networks Add to Channel Uploaded from authorPOINT lite Insert YouTube videos in PowerPont slides with aS Desktop Copy embed code: (To copy code, click on the text box) Embed: URL: Thumbnail: WordPress Embed Customize Embed The presentation is successfully added In Your Favorites. Views: 44 Category: Entertainment License: All Rights Reserved Like it (0) Dislike it (0) Added: March 31, 2010 This Presentation is Public Favorites: 0 Presentation Description No description available. Comments Posting comment... Premium member Presentation Transcript Inventions in the 1920s : Inventions in the 1920s Laura Rolfs Radio/Television Transmission : Radio/Television Transmission Developed by Ernst Alexanderson It was a high frequency alternator (for radio) Also developed a scanning disk and high frequency neon lamps (for television) Traffic Lights : Traffic Lights William Potts invented Traffic Lights. Used red, green, and amber wires/lights Band-Aid : Band-Aid Earle Dickson invented band-aid’s. Worked for a company that manufactured gauze and tape. Took a piece of tape and stuck a small piece of gauze in the middle. Made it for his wife when she injured her arm Hair Dryer : Hair Dryer A flexable pipe in the exaust of a vaccum cleaner. Overheated easily Lie Detector : Lie Detector Also known as Polygraph. Invented by John A. Larson. It measured heartbeats and a person breathing to check whether they were lying or not. Rocket : Rocket Launched by Robert Hutchings Goddard. Was launched in WW1 Penicillin : Penicillin Antibiotic Invented by Sir Alexander Fleming It saved many lives Frozen Food : Frozen Food Invented by Clarence Birdseye. Put food in perserved waxed cardboard cartons. Tommy Gun : Tommy Gun Invented by JohnT. Thompson. Used by law inforcers and criminals Was named The Thompson Submachine Gun but was also called “Tommy Gun”, “Trench Broom”, “The Chopper”, and many other names. Insulin : Insulin Dr. Fredrick Banting invented it. Made a pancreatic extract which had anti-diabetic qualities. First tested on Leonard Thompson Saved many diabetics INforMAtiON : INforMAtiON http://www.buzzle.com/articles/inventions-of-the-1920s.html inventors.about.com/od/timelines/a/twentieth.htm http://cache.gawker.com/assets/images/2009/05/custom_1242968471548_television.jpg http://classiccrooners.files.wordpress.com/2009/04/1920s-radio.jpg http://betweenyellowandblue.files.wordpress.com/2009/01/traffic_lights1.jpg http://www.abc.net.au/reslib/200711/r196707_748817.jpg http://grocerycompany.com/store/media/catalog/category/frozen-food_1.jpg http://www.rocketroberts.com/rockets/images/joes_rockets_1973.jpg http://school.discoveryeducation.com/clipart/images/rockets.gif http://restrainedfreedom.com/wp-content/uploads/lie_detector.jpg http://www.whyy.org/blogs/itsourcity/files/2009/08/lie-detector-cnvtinl1.jpg https://www.halloweenunlimited.com/images/product/products/tommy_gun3.jpg http://blog.seniors-site.com/wp-content/uploads/2008/04/zzpic-insulin-jet-injector.gif http://coachrouse.files.wordpress.com/2009/02/insulin.jpg http://www.jitterbuzz.com/berstfil/bersted_hair_dryer_02.jpg The End!!! : The End!!!