0
Finest Known
Order Today: 888-900-9948 Login
  • Coins For Sale
    • Small Denomination
      • Copper Type Coins
      • Nickel Type Coins
      • Three Cent Silver
    • Early Coinage
      • Early American Silver
      • Early American Gold
      • American Colonials
      • Ancient Greek Coins
      • Ancient Roman Coins
    • Silver Coinage
      • Seated Liberty Silver
      • Silver Barber Coins
      • 1916 Silver Liberties
      • Morgan Silver Dollars
      • Peace Dollars
    • Gold Coinage
      • Liberty Head Gold
      • Indian Princess Gold
      • Indian Gold Coins
      • Gold Double Eagles
    • Other
      • Territorials Items
      • Commemoratives
      • Treasure
      • Utah Goldbacks
      • Nevada Goldbacks
      • Other
  • Shop By Category
    • Blank
      • $20 Double Eagle
      • $10 Gold Eagle
      • $5 Half Eagle
      • $1, $2.50 & $3 Gold
      • Silver Dollars
      • Other Silver
      • Cents-Nickels
    • Blank
      • Colonial
      • Territorial
      • Commemoratives
      • Ship Of Gold
      • Rare Ingots
      • Treasure
      • Civil War Money
    • Blank
      • Key Date Rarities
      • Finest Known
      • Top-100 Greatest
      • Proof Grade
      • Proof-Like
      • CAC Sticker
      • VAM Dollars
    • Blank
      • Best Values
      • Featured Items
      • Internet Specials
  • Top-10 to Buy Now
    • Blank
      • Buy Key Date Rare Coins
      • Buy Type I $20 Liberties
      • Buy Carson City Silver Dollars
      • Buy GSA Holder Silver Dollars
      • Buy SS Central America Coins
    • Blank
      • Buy Finest Known Specimens
      • Buy $2.50 Quarter Eagle Indians
      • Buy Private and Territorial Issues
      • Buy Walking Liberty Half Dollars
      • Buy Rare Gold Monetary Ingots
  • How To Purchase Best
    • Blank
      • 14 Reasons to Put Money in Money
      • Why Quality Coins over Quantity
      • Why Collect Morgan Silver Dollar
      • Why Purchase Indian Head Gold
      • 3 Most Beautiful Silver Liberties
    • Blank
      • Buy Early U.S. Gold Coinage
      • Why Purchase Proof Coins
      • Buy Top-100 Greatest US Rare Coins
      • Civil War Money Introductory Sets
      • Books, Catalogs and Literature
  • TV Specials
    • $49 Morgan Silver Dollar Offer
    • Special 20+1 Silver Dollars
    • Special 50+1 Silver Dollars
  • Latest News
  • 0
Order Today: 888-900-9948
Close
  • Coins For Sale
    • Small Denomination
      • Copper Type Coins
      • Nickel Type Coins
      • Three Cent Silver
    • Early Coinage
      • Early American Silver
      • Early American Gold
      • American Colonials
      • Ancient Greek Coins
      • Ancient Roman Coins
    • Silver Coinage
      • Seated Liberty Silver
      • Silver Barber Coins
      • 1916 Silver Liberties
      • Morgan Silver Dollars
      • Peace Dollars
    • Gold Coinage
      • Liberty Head Gold
      • Indian Princess Gold
      • Indian Gold Coins
      • Gold Double Eagles
    • Other
      • Territorials Items
      • Commemoratives
      • Treasure
      • Utah Goldbacks
      • Nevada Goldbacks
      • Other
  • Shop By Category
    • Blank
      • $20 Double Eagle
      • $10 Gold Eagle
      • $5 Half Eagle
      • $1, $2.50 & $3 Gold
      • Silver Dollars
      • Other Silver
      • Cents-Nickels
    • Blank
      • Colonial
      • Territorial
      • Commemoratives
      • Ship Of Gold
      • Rare Ingots
      • Treasure
      • Civil War Money
    • Blank
      • Key Date Rarities
      • Finest Known
      • Top-100 Greatest
      • Proof Grade
      • Proof-Like
      • CAC Sticker
      • VAM Dollars
    • Blank
      • Best Values
      • Featured Items
      • Internet Specials
  • Top-10 to Buy Now
    • Blank
      • Buy Key Date Rare Coins
      • Buy Type I $20 Liberties
      • Buy Carson City Silver Dollars
      • Buy GSA Holder Silver Dollars
      • Buy SS Central America Coins
    • Blank
      • Buy Finest Known Specimens
      • Buy $2.50 Quarter Eagle Indians
      • Buy Private and Territorial Issues
      • Buy Walking Liberty Half Dollars
      • Buy Rare Gold Monetary Ingots
  • How To Purchase Best
    • Blank
      • 14 Reasons to Put Money in Money
      • Why Quality Coins over Quantity
      • Why Collect Morgan Silver Dollar
      • Why Purchase Indian Head Gold
      • 3 Most Beautiful Silver Liberties
    • Blank
      • Buy Early U.S. Gold Coinage
      • Why Purchase Proof Coins
      • Buy Top-100 Greatest US Rare Coins
      • Civil War Money Introductory Sets
      • Books, Catalogs and Literature
  • TV Specials
    • $49 Morgan Silver Dollar Offer
    • Special 20+1 Silver Dollars
    • Special 50+1 Silver Dollars
  • Latest News
  • Account Login

Gerhard Fisher

Rare Coin News

May 17, 1998 Rare Coin Articles Monaco Rare Coins

After studying electronics at the University of Dresden, Gerhard Fisher immigrated to the United States. While working as a Research Engineer in Los Angeles, California his work with air craft radio detection finders led him to the idea of a portable metal detector. Fisher shared the idea with Albert Einstein who correctly predicted the proliferation of hand held metal detector use.

Although the actual inventor of the hand-held metal detector is disputed, the hand-held metal detector was first patented by Dr. Gerhard Fisher in the late 1920’s. A metal detector had been invented some forty years earlier (1881) by Alexander Graham Bell for the sole purpose of locating a lead bullet in President James A. Garfield. Fisher’s model was first sold commercially in 1931 and Gerhard Fisher was behind the first large-scale production of metal detectors.

In the late 1920’s, Dr. Gerhard Fisher, the founder of Fisher Research Laboratory was commissioned as a research engineer with the Federal Telegraph Co. and Western Air Express to develop airborne direction finding equipment. He was awarded some of the first patents issued in the field of airborne direction finding by means of radio. In the course of his work, he encountered some strange errors and once he solved these problems, he had the foresight to apply the solution to a completely unrelated field, that of metal and mineral detection.

The Fisher name is very well known among the metal detector crowd. During the 1930’s Dr Fisher was hired by the U.S. Navy to install a radio direction finder aboard the USS Macon, a Navy Dirigible. It was at this time that while aboard the Dirigible he noticed that large metal structures and mineralized mountains cancelled out the capabilities of the instrument. This condition led him to invent the very first metal detector.


  • Newsletter
  • Be Among the First to Know of Breaking News and Special Offers on Amazing Rare Coins.
  • This field is for validation purposes and should be left unchanged.

For a confidential, personal consultation on buying or selling specific rare coins, call Monaco Rare Coins today: 888-900-9948

Free Gold Rush Treasure Catalog
Free Carson City Morgan Silver Dollar Book

Archives by Year

  • 2018 (3)
  • 2017 (2)
  • 2016 (9)
  • 2015 (10)
  • 2014 (5)
  • 2013 (4)
  • 2012 (12)
  • 2011 (12)
  • 2010 (7)
  • 2009 (13)
  • 2008 (8)
  • 2007 (3)
  • 2006 (5)
  • 2005 (10)
  • 2004 (8)
  • 2003 (1)
  • 2002 (6)
  • 2001 (6)
  • 2000 (4)
  • 1999 (7)
  • 1998 (259)
  • Back to Blog
  • Prev
  • Next
FOR MORE INFORMATION
888-900-9948
Contact Us
Sell Your Coins
Payment Methods
About Monaco
Terms of Sale
Terms of Use
Privacy Policy
© 2021 Monaco Rare Coins
All Rights Reserved.
Facebook