Isaac Newton Reflecting Telescope Astronomy Optical Vintage Trade Card

Description

Isaac Newton Reflecting Telescope Astronomy Optical Vintage Trade 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
2 5/8 '' x 1 3/8 ''  or  6.5 cm. x 3.5 cm.
THIS IS AN ORIGINAL VINTAGE TRADE  ADVERTISING CARD
ISAAC NEWTON REFLECTING TELESCOPE
The Newtonian telescope is a type of reflecting telescope invented by the British scientist Sir Isaac Newton,
using a concave primary mirror and a flat diagonal secondary mirror. Newton's first reflecting telescope was
completed in 1668 and is the earliest known functional reflecting telescope. The Newtonian telescope's
simple design makes it very popular with amateur telescope makers.
NOTE:
THE REVERSE SIDE HAS TEXT ABOUT THE IMAGE ON THE FRONT SIDE
THE CARD DIMENSIONS ARE APPROXIMATELY
2 5/8 '' x 1 3/8 ''  or  6.5 cm. x 3.5 cm.
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!
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WE COMBINE SHIPPING
BUY 1 TO 4 TRADE ADVERTISING CARDS AND THE TOTAL TO SHIP IS
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!