Electromagnet Magnetic Field Current Iron Coil Vintage Trade Ad Card For Sale

Electromagnet  Magnetic Field Current Iron Coil Vintage Trade Ad Card


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Electromagnet Magnetic Field Current Iron Coil Vintage Trade Ad Card:
$3


Electromagnet Magnetic Field Current Iron Coil Vintage Trade Ad Card


NOTE: THESE ARE NOT POSTCARDS THEY ARE TRADE/ADVERTISING CARDS. THEY ARE MUCH SMALLER THAN A STANDARD POSTCARD AND THERE IS ADVERTISING TEXT ON THE BACK!
THE CARD DIMENSIONS ARE APPROXIMATELY 3 1/2'' x 2'' or 9 cm. x 5 cm.

ORIGINAL VINTAGE TRADE - ADVERTISING CARD
ELECTRO-MAGNET
An electromagnet is a type of magnet in which the magnetic field is produced by an electric current. The magnetic field disappears when the current is turned off. Electromagnets usually consist of wire wound into a coil. A current through the wire creates a magnetic field which is concentrated in the hole in the center of the coil.
NOTE: THE REVERSE SIDE HAS ADVERTISING.
THE CARD DIMENSIONS ARE APPROXIMATELY 3 1/2'' x 2'' or 9 cm. x 5 cm. NOTE: THE IMAGES ABOVE IS LARGER THAN THE CARD TO SHOW THE DETAIL. SEE IMAGES ABOVE WITH THE RULER AS A SCALE! 8 WE COMBINE SHIPPING BUY 1 TO 4 TRADE ADVERTISING CARDS AND THE TOTAL TO SHIP IS $2 BUY 5 TRADE ADVERTISING CARDS AND SHIPPING IS FREE NOTE: ON LARGER INTERNATIONAL ORDERS WE MAY REQUIRE REGISTERD MAIL AND WILL SPLIT THE COST WITH THE BUYER. INQUIRE IF CONCERNED!


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