Wwii Pin

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WWII M 1937 USMC Officer Collar EGA by HH Imperial LEFT SIDE
$45.99
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WWII Gold and Sterling Army Air Corps AAF Officer Wings Insignia Set by Balfour
$56.99
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WWII Sterling Public Health Service Nurse Aid Collar Insignia Set
$28.99
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WWII Army Cavalry Home Front Sweetheart Pin
$16.99
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WWII 8th Cavalry Regiment Honor and Courage DI Unit Crest Pin
$14.99
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WWII Sterling Army or USMC Captain Rank Shoulder Insignia Set by H
$29.99
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WWII 1943 Bakelite USMC Enlisted Collar EGA Set
$24.99
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VINTAGE WWII SON IN SERVICE HOMEFRONT USN LARGE PIN WAR TIME STERLING ANCHOR
$9.99
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WWI WWII enameled patriotic flag lapel pin screwback unmarked
$0.99
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WWII Army Lieutenant Colonel Rank Oak Leaf
$19.85
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WWII E pin Home Front Sterling silver red white blue enamel circa 1940
$18.90
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WWII OR EARLIER CHRISTIAN BROTHERS ACADEMY DUI DI PIN MEYERS SB MATCH PAIR
$5.00
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WWII USMC CHEVONS and NAVY STIKERS
$10.00
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WWII USMC CHEVONS and NAVY STIKERS
$15.00
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WWII Paratrooper Sterling Silver Badge Meyer pin back
$33.00
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Spectacular WWII US Army Nurse Officer Insignia Group Insignia Cuff links
$75.00
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WWII Era Pinback US Navy E Award For Production Marked STERLING
$28.75
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Army Air Forces Pilot Badge Sweetheart Wings Kelly Field WW2 Early Amico Stamp
$9.99
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BRITISH WW II ROYAL ENGINEERS HAT BADGE PIN BACK Vtg WWII World War Medal 1940s
$29.94
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Vintage 1942 WW2 Japanese Patriotic Womens Group BadgeMedalWWII Japan Pin
$7.85
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VINTAGE WW II Womens Army Corps Pin Back Lapel Pin
$17.09
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WWII or later AAF clutch back collar disk CURVED UP FACE in EX shape no HM
$1.00
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WW2 Vintage Sterling CIB and USAF Enlisted Hat Badge
$18.00
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WWII or later AAF clutch back collar disk FLAT FACE in EX shape no HM
$1.00
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WWII 2ND ARMY HARD FIRED ENAMEL LAPEL PIN ON ORIG CARD
$3.95
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WWII SWEETHEARD UNMK STERLING OPEN WING EAGLE BROOCH PIN ARKANSAS GIS ESTATE
$57.50
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US Army Medical Caduceus Collar Insignia Metal Pin WWII Bronze Screw Military
$24.99
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WWII US Marine MOC NOS GEMSCO Globe Rank Insignia VTG Anchor Eagle Crest Collar
$16.99
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WWII US Army Silver Gold Enamel WW2 Quartermaster Officer Rank Insignia VTG Pin
$16.99
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WWII US Army MOC NOS GEMSCO 18K GOld Plated Infantry Officer Rank Insignia VTG
$24.99
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WWII US USMC Box NOS GEMSCO Insignia Rifle Marksman Badge Silver Target Shooting
$22.99
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WWII US MOC NOS GEMSCO Rank Insignia Army Sergeant Collar Vintage Cap Single
$9.99
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WWII US USMC Approved Tie Clip Bar Globe Insignia Rank Bronze Metal 151 Military
$24.99
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WWII US Army MOC NOS GEMSCO 18K GOld Pl Signal Corps Officer Rank Insignia VTG
$19.99
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WWII US Army 371st Armored Infantry Battalion Pin Attack
$19.50
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A+ WWII US Army Paratrooper Sterling Jump Wing Badge Pin Airborne
$39.99
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ORIGINAL WWII AMERICAN WOMEN VOLUNTARY SERVICES 9039 SWEETHEART PIN 1 1 2 INCH
$9.95
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World War II Captains Bars 925 Sterling Silver PinBack Badge WW2
$29.95
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WWII MUSSOLINI DEATH FDR PATTON EISENHOWER PHOTOS LETTER PIN UP POST CARD LOT
$11,111.11
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WW2 AIRCREW WING BADGE DOUBLE STERLING STAMP HEAVY 207 GRAMS THICK VERY NICE
$65.00
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HARD TO FIND WWII AAF QUALIFICATION BAR AP MACHINIST IN STAY BRIGHT STY
$18.50
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Rare and Vintage World War 2 Era US Marine Pennant
$30.00
quality
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WWII Gemsco Colonel Lapel Insignia Eagle RARE NOS Matched Set military
$55.00
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STERLING WW2 UNITED STATES ARMY AIR FORCE AIR CORPS PILOT AVIATOR WINGS PIN 3
$99.95
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WW2 Gesco NY 3 Pilot Bombarder Wings Pin
$79.99
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ORIGINAL WWII AWARD OF MERIT SHIPS FOR VICTORY MARITIME COMMISSION INSIGNIA PIN
$29.99
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b3023 WW 2 Glider Pilot Wing metal pin back sterling marked
$27.00
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WWII AIR CORP TIE CLIP
$29.99
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AUTHENTIC WWII AMCRAFT STERLING SILVER AIRCRAFT ATTLEBORO MASS PILOT WINGS PIN
$99.99
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WWII USA G O C Observer Air Force Wings Pin Back 11093C
$19.99
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WWII Military Hat Screwback Eagle Pin
$9.99
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WWII US ARMY OR NAVY NURSE COLLAR INSIGNIA PINS SET OF 2 LOT4
$40.49
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WWII US ARMY OR NAVY NURSE COLLAR INSIGNIA PINS SET OF 2 LOT5
$40.49
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WWII US AIR CORPS PATCHES PINS MILITARIA MILITARY LOT AVIATION T
$295.00
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WWII US ARMY OR NAVY NURSE COLLAR INSIGNIA PINS SET OF 2 LOT7
$35.99
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World War II Army Sharp Shooter Rifle Antaya GI 1 20 SilverFilled Pin Badge
$22.00
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military ww2 armor di assorted pins
$20.00
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ORIGINAL WWII US ARMY AIR CORP PARACHUTE STERLING WINGS GEMSCO STERLING HALLMARK
$33.50
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3 Sterling WW2 Army Badges Driver Honorable Service E Service Dodge inc Chicago
$9.99
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WW2 US STERLING SILVER PILOT WINGS
$17.00
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WW2 VETERAN SWEETHEART PIN LOT 3 USA SIGNAL CORPS GOLD FILLED
$10.00
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WWII US Army Lieutenant Colonel Hollowed Back Oakleaf Shoulder Insignia 29516
$40.00
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WW2 US Sterling Navy Officer Insignia Pin with Sterling Cuff Link
$35.00
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VERY RARE WW 2 E PIN FOR CARNEGIE ILL STEEL WORKS W CASE EXC COND
$4.49
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WW2 USN US Navy Medical Officers Small Insignia Pins Pair HH
$34.99
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ESTATE WWII NAVY RELIEF SOCIETY FUND PIN OG 7 8 FREE USA SHIPPING USN
$5.75
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WWII USNR Pilot Wing Medallion and Tie Clip for Lindsay Doc Lord
$313.00
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WWII USMC EGA Collar Device by HH Imperial Brass No Reserve 1
$9.99
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WWII USMC HONORABLE Discharge Lapel Pin RARE Womens Version Marine Corps
$49.99
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WW2 Naval Occupation Medal Pin
$3.49
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WWII UNCATALOGUED16TH AAF FIGHTER GROUP DI VERY RARE HH HM TRULY UNIQUE DI
$60.00
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WW II MILITARY PINS GREAT COND
$10.00
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WWII 104TH NJ FIELD ARTL 2 PIECE CONSTRUCTION SCREW BACK
$12.00
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Vintage WWII Sweetheart Pin
$14.95
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old MEDICAL Service Corps Insignia WWII Rare Badge Pin
$10.00
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WW2 Army of Occupation Medal Ribbon Pin
$3.49
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WWII 43RD SIGNAL COMPANY DI WITH NO HALLMARK PIN BACK
$12.00
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WWII Various Pins Randoms
$65.00
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1930s WWII French 8th Zouaves Lapel Stick Pin
$59.00
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WWII US Naval USMC Balfour 10k Gold Aviator Wing Pin
$41.00
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WW2 US Army Sterling Silver Long Pin Major Shoulder Insignia
$13.99
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Vintage WWII Enamel Stick Pin Polish Army Style Eagle
$10.50
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RARE ORIGINAL WWII STERLING SILVER SHOOTING BADGE W SMALL BORE RIFLE PIN BACK
$19.99
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RARE ORIGINAL WWII STERLING SILVER SHOOTING BADGE W CARBINE PIN BACK
$19.99
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RARE ORIGINAL WWII STERLING SILVER LONG PIN FIRST 1ST LIEUTENANT LT INSIGNIA BAR
$9.99
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RARE ORIGINAL WWII STERLING SILVER AIRCREWMAN WING BADGE INSIGNIA AAC PIN B
$55.00
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Armored Cav WWII Hat Lapel Pin new mint
$4.00
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Rare Vintage WWII Globe Eagle Anchor Sterling Silver And 1 20 10k Gold Pin NR
$29.99
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WW2 US Costal artillery metal insignia
$9.99
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WW2 US home front Pennsylvania 6th war loan bond pin
$7.99
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WW2 US home front sweet heart jewelry USA 2nd Lt pin
$11.99
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Vintage WWII Ruptured Duck Honorable Discharge Pin PINBACK NOT SCREWBACK
$5.55
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WW2 US homefront copper pin shaped like bullet
$9.99
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WW2 US Navy home front Navy Civilian Service pin
$9.99
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World War II Australian Commonwealth Military Forces Pin From Balikpapan c1945
$19.99
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WWII Army Medical Administrative Corps Collar Insignia Set GREAT SHAPE
$15.99
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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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