Wwii Pin

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WW2 ERA US ARMY GROUND FORCES DUI PIN PINBACK
$14.99
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WW2 ERA SOUTHEAST AIR CORPS TRAINING CENTER DUI PINBACK
$21.99
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AUTHENTIC WWII 202ND AIR DEFENSE BATTALION ARMY COAT 38R TROUSER 36R HAT 7 + PIN
$19.99
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WWII US Navy pin Anchor Propeller Sterling Silver chained Amico WW2 USA
$48.00
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Vintage WWII US Navy Officer Hat Insignia Badge Sterling Pin 1 20 10K
$39.99
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ASIATIC PACIFIC CAMPAIGN MEDAL LAPEL PIN
$3.85
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WW2 US Army Air Force Air Transport Command DUI Pin Sterling
$12.00
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LOT OF 175 Russia Military USSR 25 Years of Victory Pins Medals World War 2
$50.00
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WWII Army Air Corps Wings Enlisted Collar Disc Set and Hat Badge Lot Of 3
$9.99
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WWII to Korean War Armor Corps Tank Destroyer Tank Killer Enlisted Disc Set
$27.99
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WWII Sterling 1st and 2nd Lieutenant Insignia Sets Officer Hat Badge by Uncas
$18.99
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WWII Army US Officer Collar Insignia Set FANTASTIC CONDITION
$14.99
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WWII Army US Officer Collar Insignia Set by Beverlycraft GREAT SHAPE
$19.99
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WWII Medical Department School To Conserve Fighting Strength DI Unit Crest Pins
$9.99
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WWII Gold and Sterling Public Health Nurse Barracks Hat Badge
$32.99
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WWII 19th Infantry Regiment The Rock Of Chickamauga DI Unit Crest Pin by Meyer
$9.99
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WWII 29th 166th Infantry Regiment Infantry School DI Unit Crest Pins Lot Of 4
$11.99
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WWII Sterling Army Air Corps Air Forces Air Crew Wings Badge
$18.99
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WWII Coast Guard Collar Insignia
$9.99
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WWII Army Infantry Officer and Second Lieutenant Insignia Sets Lot Of 4
$12.99
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WWII 68th Field Artillery Viam Sibi Aperire DI Unit Crest Pins Lot Of 3
$7.99
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WWII Era NRA National Rifle Association Marksman Award Badges Junior
$5.99
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WWII 26th Infantry Regiment Rainbow Division DI Unit Crest Pins Lot Of 3
$7.99
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WWII Sterling Coast Guard Chief Insignia by HH FANTASTIC SHAPE
$16.99
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WWII to Korean War Sterling Navy Naval Submarine Dolphin Badge by Vanguard
$32.99
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WWII Sterling Army General Staff Officer Star Insignia Set
$22.99
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WWII Sterling USMC Captain or Navy Lieutenant Shoulder Insignia Set by H
$22.99
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WWII Sterling Army Air Corps Air Forces AAF Pilot Full Size 3 Inch Wings Badge
$56.99
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WWII Sterling Public Health Service Nurse Collar Insignia Set by Blackinton
$22.99
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Vintage WWII Patriotic DEFEND AMERICA Eagle Red White Blue Pin
$22.00
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WWII Amvets American Veterans Of WWII Pin Army Service Forces Ribbon Bar
$4.00
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VINTAGE WWII US MILITARY CIVILIAN ENAMELED LAPEL PIN INSIGNIA LOT 2
$9.99
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1st Tank Division Commemorative Iron Cross Pin
$16.00
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POST WW2 MILITARY POLICE BATTALION CREST DI DUI PIN CB HM THEATER MADE
$4.99
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WW2 US ARMY 972ND ENGINEER BN OFFICERS COLLAR INSIGNIA CASTLE MATCHING SET
$29.99
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WW2 UNITED STATES ARMY ENLISTED SOLDIERS CAP TYPE 3 COLOR UNSUAL
$9.99
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US MILITARY SIB PINS AND PATCHES USN US NAVY
$7.99
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Vintage WWII ERA Sterling Technician Rate Borach Pin Back Collector See Me
$15.00
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Vintage WWII Era Prepare for Combat Enamel Pin
$4.75
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US ARMY 38TH ENGINEER BATTALION OFFICERS COLLAR INSIGNIA PRE WW2 ERA
$19.99
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US ARMY 5TH ENGINEER BATTALION OFFICERS COLLAR INSIGNIA POST WW2 ERA
$14.99
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US ARMY 226TH ENGINEER BATTALION OFFICERS COLLAR INSIGNIA WW2 ERA
$19.99
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US ARMY 181st ENGINEER BATTALION OFFICERS COLLAR INSIGNIA WW2 ERA
$19.99
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US ARMY 921ST ENGINEER BATTALION OFFICERS COLLAR INSIGNIA WW2 ERA
$19.99
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US ARMY 547th ENGINEER BATTALION OFFICERS COLLAR INSIGNIA WW2 ERA
$19.99
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US ARMY 845th ENGINEER BATTALION OFFICERS COLLAR INSIGNIA WW2 ERA
$19.99
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US ARMY 453rd ENGINEER BATTALION OFFICERS COLLAR INSIGNIA WW2 ERA
$19.99
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US ARMY 724TH ENGINEER BATTALION OFFICERS COLLAR INSIGNIA WW2 ERA
$19.99
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US ARMY 577TH ENGINEER BATTALION OFFICERS COLLAR INSIGNIA WW2 ERA
$19.99
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US ARMY 30TH ENGINEER BATTALION OFFICERS COLLAR INSIGNIA POST WW2 ERA
$14.99
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US ARMY 612TH ENGINEER BATTALION OFFICERS COLLAR INSIGNIA POST WW2 ERA
$14.99
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US ARMY 875TH ENGINEER BATTALION OFFICERS COLLAR INSIGNIA POST WW2 ERA
$14.99
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WW2 ERA US ARMY ORDANCE CORPS ENLISTED COLLAR DISC SB SCREW BACK RARE
$4.99
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US ARMY 130TH ENGINEER BATTALION OFFICERS COLLAR INSIGNIA POST WW2 ERA
$14.99
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US ARMY 134TH ENGINEER BATTALION OFFICERS COLLAR INSIGNIA POST WW2 ERA
$14.99
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Original WWII US Red Cross Volunteer Hat Badge Enamel ARC Vaulted Cap Pin
$9.99
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WW2 Japanese Arisaka Rifle Type 99 Firing Pin Spring
$15.00
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WW2 Japanese Arisaka Type 99 Rear Sight Ladder Pin
$4.00
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VINTAGE US BRASS COLLAR INSIGNIA PIN
$6.99
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WW2 Japanese Arisaka Rifle Type 99 38 Firing Pin Spring 18 lb
$10.00
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WW2 Japanese Arisaka Rifle Type 99 38 Firing Pin Spring 16 lb
$10.00
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WW2 ERA US ARMY 69TH ARMORED TANK BATTALION POCKET PATCH CUT EDGE
$20.99
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WW2 ERA US ARMY 81ST INFANTRY DIVISION PATCH CUT EDGE
$5.99
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WW2 ERA US ARMY 38TH INFANTRY DIVISION PATCH GREENBACK
$6.99
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WW2 ERA US ARMY 26TH INFANTRY DIVISION PATCH CUT EDGE
$4.99
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WW2 ERA US ARMY AIR FORCE 4TH AAF PATCH CUT EDGE SNOWY BACK
$2.99
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WW2 ERA US ARMY AIR FORCE 3RD AAF PATCH CUT EDGE SNOWY BACK
$2.99
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VIETNAM ERA US ARMY 1101 SIGNAL BRIGADE HQ CREST DI DUI PIN CB HM
$2.99
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Boeing Aircraft Co Air Corps Training School Class 4 Pin 1943 ACTS
$29.95
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WW2 US Army Cavalry Corps G Troop Enlisted Collar Disk SB
$28.00
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WW2 US Army Tech Sergeant 2nd Grade Two Piece Sweetheart Pin
$28.00
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WWII Eagle Insignia Original E Pluribus Unum Large Pin Brass Enamel C Clasp
$22.49
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BALFOUR WW2 ERA NAVY MARINE AVIATOR WINGS 1 20 10K GF 2 3 4 PINBACK
$139.99
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AMICO WW2 ERA US NAVY WAVES SWEETHEART PIN AMICO 10K G on S
$89.99
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WW2 ERA MR PEANUT WINGED AVIATOR V FOR VICTORY HOMEFRONT PIN
$79.99
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WW2 ERA US ARMY AIR CORP CADET TRAINING GARRISON CAP INSIGNIA STERLING 1 1 2
$34.99
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WW2 ERA COAST GUARD RUPTURED DUCK HONORABLE DISCHARGE LAPEL PIN SCREWBACK
$79.99
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WW2 ERA RUPTURED DUCK HONORABLE DISCHARGE LAPEL BUTTON PIN
$9.99
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CAA WAR TRAINING SERVICE UNIFORM INSIGNIA SET CIVILIAN PILOT TRAINING PROGRAM
$449.99
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WW2 Theater Made Officer Lt Commander Rank Collar US Navy
$27.00
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WW 2 USAAC Gunners wings and qualifying Aerial Gunner Badge
$50.00
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MARINE GARRISON CAP WITH PIN Size 7 1 4 MENS BERNARD CAP CO
$19.99
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WWII ERA HOME LEGION DISTINGUISHED SERVICE PRESENTED IN HOME MAKING BADGE LQQK
$70.00
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CELTIC IRON CROSS SKULL German Biker Harley Sniper WW2 WW1 Hat Jacket Lapel Pin
$9.99
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AXE IRON CROSS SKULL German Biker Harley Sniper WW2 WW1 Tie Hat Jacket Lapel Pin
$9.99
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WW2 US ARMY CAPTAIN Medical Corps Sweetheart Pin STERLING SILVER Gold Plate FIJI
$5.95
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RARE WW II PINBACKBUY WAR BONDS WITH MORSE CODELOOK
$9.99
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WWII US ARMED FORCES IN ENGLAND ARTILLERY ENAMEL AND SILVER BOW SWEETHEART PIN
$29.98
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VTG Sterling Silver Vermeil US Navy Award WWII E for Production Pin Enamel Blue
$44.95
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WW2 US Army Belgian Made CAPA BRUXELLES Engineer Collar Insignia US Army
$27.00
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WW2 US Army 60th Infantry Regiment Unit Crest DI NS Meyer PB
$30.00
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Vintage Old Antique WORLD WAR II or Prior Brass Artillery Pin Crossed Cannons
$24.95
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WW2 US Army Air Force 9th Bombardment Group Unit Crest DI PB NS MEYER
$35.00
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WWII ERA US NAVY OFFICERS GARRISON CAP W INSIGNIA RANK HH STERLING1 20 10K
$67.97
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LOT OF 6 DIFFERENT STYLES OF PINS DENMARK DUNE VALLIANCE ADMIRABLE LETS GO
$24.95
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2 pcs ORIGINAL STERLING SILVER WWII FULL SIZE USAAF GUNNER WINGS INSIGNIA
$101.50
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Wwii Pin

Naughty Natty ORIGINAL Pin-up Girl WWII Aircraft Nose Art By Natalie

Famous Microphones That Have Become Part Of Vintage Microphones by Victor Epand

Microphones have undergone a lot of changes over the years. Some designs stayed and others became a part of vintage microphones. Microphone, popularly known as mike or mic, is one of the primary elements in an audio or music system.
The main job of the mic is to convert sound into an electrical signal. It has a large number of applications as in music production system, telephone, hearing aid, motion picture production, etc.
Earlier, microphones were known as transmitters. In 1978, Thomas Alva Edison made the first commercial microphone. It was a type of carbon microphone. Later, in Bell Laboratories in 1962, a new type of capacitor microphone was invented.
There were a number of microphones which have made their marks over the last few decades. Some of the names went on to create history but now they are a part of the vintage microphones.
-Altec model 647
-American model D76
-RCA KB-1A, MI-11000
-RCA KN-3A, MI-3045
-RCA carbon type 1
-RCA model BK-7, MI-11016
-Amperite model R80L
-Bruno labs RV-3
-General Electric or Westinghouse carbon or condenser microphones
-Remler, Turner, or Jenkins-Adair condenser microphones
-Western Electric carbon transmitter model 369
-Western Electric condenser housing model 9-A
-Turner model 51D
-Western Electric carbon transmitter model 273
The History & Development of Vintage Microphones
The early 1930s saw the movie industry trying out new technology to record musical scores. However, the range of microphones offered was low. In came the MGM Studios, in Culver City, CA, to try out the newly invented cardioid mic made by the Siemens Co, Germany. It was used to make "Naughty Marietta" with the likes of Jeanette McDonald and Nelson Eddy.
Dynamic or condenser microphones were much smaller in size than the Siemens' version of the cardioid mic. There was a constant effort made to reduce the size of the microphones to facilitate its use.
James Cannon of Cannon Electric Co. in Los Angeles, CA, was told to build up a connector for the mic. His creation was a 6 pin connector which later on became the prototype of P-type connector, which turned out to be an instantaneous success. 3 conductor connector for camera cable was made then which put Cannon plug to history from 1929 onwards.
Mason and Marshall of the Bell Laboratories made a blueprint of a tubular microphone in 1939. The design was such that it utilized a single element and acoustical tubes of different sizes. It helped in the pickup of directional music. The tubular design was the forerunner of the modern day mics.
Electret condenser microphone is a part of the vintage microphones as it has a history dating back to 1928. It used polarized wax plates. Bogen offered this type commercially under the name Voltage Velotron. The WWII saw the development of wax electret mikes. The Japanese used it in their field devices. However, they did not become very popular due to their instability.
In 1962-1965 the electret mics got their diaphragm made of a metalized thin foil of mylar or teflon. Sony, in 1968, created the then finest electret condenser microphone. That too has now moved into vintage microphones.

Victor Epand is an expert consultant for music gear, speakers, and microphones. You can find the best marketplace for music gear, speakers, and microphones at these 3 sites: music gear, DJ equipment, recording equipment, speakers, subwoofers.

Article Source: http://www.earticlesonline.com/Article/Famous-Microphones-That-Have-Become-Part-Of-Vintage-Microphones/377615

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