Wwii Pin

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WWII Army Air Corps Pilot Flight Officer Sterling Wings Pin Sweetheart Size
$15.00
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1940s WW2 UNITED STATES ARMY AIR FORCE AIR CORPS ENLISTED SOLDIERS COLLAR PINS
$11.99
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Original WWII Navy Pin EAGLE ANCHORS Sterling Silver Gold Filled
$24.00
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WWII Sterling Army Navy Officer Sergeant Home Front Sweetheart Pins Lot Of 3
$14.99
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World War II Home Front Pin Green Leather Axe the Axis 2 1 2 Great Condition
$19.99
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WW 2 NBC News Press Helmet Insignia WW 11 Memorabilia
$26.12
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ORIGINAL WWII Pinback AAF Pilot Wings Australian Made Angus Coote 3 1 8
$77.00
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WWII Home Front Pin Preparedness Through Production We Build National Defense 1
$19.99
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WWII Australian Made American Red Cross Badge by Bishop EXTREMELY RARE
$34.99
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US MILITARY UNIFORM RIBBONS BUTTONS PINS WWII KOREA VIETNAM 94 LOT ARMY NAVY
$48.88
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ORIGINAL Pinback Sterling WWII AAF USAAF Liaison Pilot Wings 2
$45.00
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WWII to Korean War Sterling Captain Rank Insignia Lot Of 2 by Meyer
$15.99
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WWII Navy Football Pin Ribbon Navy Sweetheart Hearts Bracelet Masons Star Lot
$11.99
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Vintage Sterling WWII US Army Air Corp Air Crew Wing Pin 3 Near Mint
$69.99
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Vintage Sterling WWII US Army Air Corp Aerial Gunner Wings 3
$39.99
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WW2 PURPLE HEART LAPEL PIN RB84
$10.00
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WW2 MEDICAL OFFICER CADUCEOUS AMCRAFT CB USB559
$10.00
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WW2 PHYSICAL THERAPIST CADUCEOUS AMCRAFT CB USB558
$19.95
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WW2 370TH ENGINEER REGT DISTINCTIVE UNIT INSIGNIA MEYER ARMY NAVY PB DI395
$9.95
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WW2 MEDICAL ADMINISTRATIVE CORPS CADUCEOUS BALFOUR STERLING CLUTCHES USB557
$19.95
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WW2 US ARMY NURSE CADUCEOUS INSIGNIA USB584
$24.95
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WWII Army Air Corps Air Forces AAF Observer 3 Inch Full Size Wings Badge
$11.99
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WWII Army Air Corps Command Pilot 2 Inch Wings Badge 1st Lt Insignia Set Lot
$10.00
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Vintage WWII Military Medical Snakes Wings Pin Pinback Silver Tone Surgeon MS
$19.95
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WWII US ARMY MARKSMAN BADGE RIFLE BAR SILVER FILLED PIN BACK
$6.99
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WWII Sterling 318th Infantry Regiment Old Virginia Never Tires DI Unit Crest Pin
$66.00
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WW 2 Early Sterling Silver Enamel US Army Forces Training Unit Pin
$11.20
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WW 2 Pair of 6Th US Army Unit Pins
$12.00
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WW 2 Enamel US Army 15th Support Battalion Unit Pin
$6.39
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ESTATE LOT of ASSORTED WWII SOLDIER UNIFORM PHOTOS PINS HAT GEAR DOG TAGS
$38.99
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WWII USN Navy Pilot Wings 2 3 4 Pinback HH Hallmark
$35.00
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Original Authentic gold fill WW2 US Navy Officers Submarine Badge Nice Example
$33.99
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WWII US ARMY AIR CORPS AIR FORCE BOMBRADIER WING
$39.75
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2 1942 World War II WWII Victory Reddy Kilowatt Power Infantry Button Pin NOS
$14.99
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WWII Sterling Army or USMC Colonel Rank Eagle Shoulder Insignia UNUSUAL DESIGN
$29.99
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VINTAGE WWII USMC US MARINES COLLAR GLOBE ANCHOR PINS
$9.99
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WWII Distinctive Unit Insignia Pin screw back by Meyer
$11.91
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WWII ARMY 45TH INFANTRY THUNDERBIRD DIVISION PATCH TYPE DI CREST
$7.99
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VINTAGE LOT OF 6 ORIGINAL WWII SWEETHEART PINS AND EARRINGS HOMEFRONT
$24.99
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VINTAGE WWII US COAST GUARD AUXILIARY INSIGNIA SCREW BACK
$19.99
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Dieu et Mon Droit pin WWII era Official BWRS and BB by Accessocraft
$16.99
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WW2 US PINS BELT BUCKLES AND BUTTONS
$20.50
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Vintage WWII Hat Lapel Pins Sterling Silver Leaf two N S Meyer US pins
$17.50
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ORIGINAL WWII ARMORED FORCES RTC DI CREST
$6.99
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WW2 USN US Navy Sterling Captain Bars w Original Flat Clutches Snowflake Back
$29.99
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WWII Captain Rank and US Officer Collar Insignia Sets Lot Of 4 by Meyer
$12.99
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WW2 CBI China Burma India Theater Pilots Wings with Killer Catch Mechanism
$510.00
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original WW2 US Army Air Force aerial gunner wing pin back AE Co USAAF
$39.00
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MISCELLANEOUS COLLECTION OF WW2 US PINS MEDALS PIPE AND BUTTONS
$25.00
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WWII Army Air Corps Air Forces AAF 7th Air Force DI Unit Crest Pin
$12.99
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LOT OF 2 UNKNOWN WWII STERLING SILVER US MILITARY PINS
$19.38
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WW2 World War Two SUSTINEO ALAS USAAF Technical Training Command Brass PIN
$5.00
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WW2 MEYER METAL QUARTERMASTER OFFICERS COLLAR INSIGNIA
$9.99
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WWII Pacific Theater Made Army Air Corps AAF 7th Air Force DI Unit Crest Pin
$12.99
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AAF Branch Insignia WWII US Army Air Force lapel pin Sterling silver
$26.99
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WWII Sterling American Red Cross Volunteer Badge by AE Co
$17.99
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WW2 52nd FIELD ARTILLERY DI INSIGNIA
$4.99
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POST WWII MILITARY POLICE DUI DI PIN NHM GERMAN MADE CB
$3.25
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WWII LGB US Air Force aircrewman sterling silver wings pin
$69.99
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WW2 LARGE SWEETHEART PIN VISOR CAP HAT
$7.99
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POST WWII MILITARY POLICE DUI DI PIN NHM GERMAN MADE PB
$18.00
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WWII Army Air Corps Air Forces AAF Officer Wings Insignia by Beverlycraft RARE
$14.99
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WWII Gold and Sterling USMC Officer EGA Home Front Sweetheart Pin
$27.99
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WWII United States Great Britain France Son in Service Enameled Pin
$39.00
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Pre WWII 1920s to 1930s Army Air Corps Officer Barracks Hat Badge
$21.71
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Set WW2 CAA WAR TRAINING SERVICE STERLING PAT PEND Cap Badge Collar Insignia
$299.99
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WWII Sterling Coast Guard Reserve Honorable Discharge Pin by Blackinton
$19.99
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WWII 307th Air Base Group Unit Crest DI DUI Screwback SB Sterling WW2
$41.09
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WWII 10th Air Base Group Unit Crest DI DUI Screwback SB WW2
$9.99
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Vintage WW2 Enamel British War Relief DIEU ET MON DROIT Sheild Pin Badge Brooch
$5.00
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WWII 5th Air Base Group Unit Crest DI DUI Screwback SB WW2
$9.99
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WW2 CAA WAR TRAINING SERVICE CIVILIAN PILOT TRAINING PROGRAM CPTP BADGE PIN
$69.99
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WWII 2nd Air Base Group Unit Crest DI DUI Screwback SB WW2
$9.99
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WW2 1 20 10K HALLMARKED US ARMY OFFICERS US INSIGNIA DEVICE
$9.00
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WWII Lapel Hat Pin Army Navy Red White and Blue Production Award Vintage Coro
$6.99
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WW2 ARMY AIR CORPS ENLISTED MANS SCREW BACK US BRANCH INSIGNIA DEVICES
$12.00
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Original WWII AAF Army Air Forces Navigator Pin 3 Cluthch back Tests Sterling
$35.00
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WW2 IDD USAAF OFFICERS PIN BACK AMCRAFT STERLING PILOT WINGS AND PHOTO
$49.00
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WW2 MINIATURE PIN BACK US ARMY COMBAT INFANTRYMAN BADGE
$15.00
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WWII M 1937 USMC Officer Collar EGA by Meyer RARE RIGHT SIDE
$32.99
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WWII Army Cavalry Enlisted Collar Disc Hat Badge 50th Armored Division Patch
$19.99
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WWII US Department Of State Greek War Relief Association Pin RARE
$29.99
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Pre WWII 1930s Sterling Army Major Rank Shoulder Insignia RARE DESIGN
$24.99
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WWII Navy Second Lieutenant Rank Collar Insignia Sets On Wool Lot Of 4
$14.99
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WWII Army Medical Corps Nurse Collar Insignia
$16.99
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WWII Bakelite Little Buddy Army Soldier Home Front Pin VERY UNIQUE ITEM
$39.99
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WWII 1943 Lead USMC Enlisted Collar EGA Set TRENCHED
$13.99
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WWII Army Navy or USMC Second Lieutenant Rank Insignia Lot Of 2 by Smilo
$16.99
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WWII Army Chemical Corps Officer Collar Insignia Set
$4.99
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WWII 11th Air Force DI Unit Crest Pin
$23.99
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Pre WWII 1930s Army Cavalry Enlisted Collar Disc Set and Hat Badge Lot Of 3
$13.99
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WWII Army Medical Corps Nurse Officer Collar Insignia
$16.99
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WWII Inspector General Officer Droit Et Avant Collar Insignia Set AMAZING SHAPE
$33.99
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WWII Theater Made Army Headquarters 776 District Aviation Division Pins Lot
$11.99
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WWII USMC Officer Collar EGA Set by HH FANTASTIC CONDITION
$67.99
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WWII Gold Filled Navy Officer Barracks Hat Badge
$29.99
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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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