Monument Henri Hertz German Physicist Electromagnetic Waves Vintage Ad Card

Description

Monument Henri Hertz German Physicist Electromagnetic Waves Vintage Ad Card
NOTE:
THESE ARE NOT POSTCARDS
THEY ARE TRADE/ADVERTISING CARDS.
THEY ARE MUCH SMALLER THAN A STANDARD POSTCARD
THE PAPER IS MUCH THINNER THAN USED ON A POST CARD
AND
THERE IS ADVERTISING TEXT ON THE BACK!
THE CARD DIMENSIONS ARE APPROXIMATELY
2 1/4 '' x 1 1/2 ''  or  5.7 cm. x 4.0 cm.
ORIGINAL VINTAGE TRADE  ADVERTISING CARD
MONUMENT TO HENRI HERTZ
Heinrich Rudolf Hertz was a German physicist who first
conclusively proved the existence of the electromagnetic waves
predicted by James Clerk Maxwell's equations of
electromagnetism. The unit of frequency, cycle per second, was
named the "hertz" in his honor.
NOTE:
THE REVERSE SIDE HAS GLUE - USE CARE!
AND IT HAS TEXT ABOUT THE IMAGE ON THE FRONT SIDE
NOTE:
THESE ARE NOT POSTCARDS
THEY ARE TRADE/ADVERTISING CARDS.
THEY ARE MUCH SMALLER THAN A STANDARD POSTCARD
THE PAPER IS MUCH THINNER THAN USED ON A POST CARD
AND
THERE IS ADVERTISING TEXT ON THE BACK!
NOTE:
THE IMAGE ABOVE IS LARGER THAN THE CARD
TO SHOW THE DETAIL.
SEE SCALED IMAGE ABOVE.
THIS CARDS IS NOT A MODERN REPRODUCTION
IT IS AN ORIGINAL VINTAGE CARD
IT IS NOT PERFECT AND THIS CARD MAY HAVE ONE OR MORE OF THESE:
SLIGHT PAPER LOSS
SMUDGING
ROUNDED CORNERS
SURFACE CREASE
SEE THE IMAGES ABOVE!
5
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BUY 1 TO 4 TRADE ADVERTISING CARDS AND THE TOTAL TO SHIP IS
BUY 5 TRADE ADVERTISING CARDS AND SHIPPING IS FREE
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ON LARGER INTERNATIONAL ORDERS WE MAY REQUIRE REGISTERD
MAIL AND WILL SPLIT THE COST WITH THE BUYER.
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