Solar Radiation Propelled Space Vehicle Vintage Trade Ad Card For Sale

Solar Radiation Propelled Space Vehicle  Vintage Trade Ad Card


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Solar Radiation Propelled Space Vehicle Vintage Trade Ad Card:
$14.99


Solar Radiation Propelled Space Vehicle 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 '' x 2 1/2 '' or 7.5 cm. x 6.2 cm. ORIGINAL VINTAGE TRADE ADVERTISING CARD
SOLAR RADIATION PROPELLED VEHICLE
For journeys close to the Sun it might be possible touse a large mirror which collected the Sun's rays andconcentrated the energy on a working fluid. Althoughthe thrust created would be small, it would be suffi-cient, over a long period, to impart a very highvelocity.
The mirror would have to be rotatable through anangle of 360so that it always faces the Sun. Ideasfor using the Sun's radiation directly as a means ofpropulsion have also been proposed, but they areimpracticable at present.
NOTE:THE REVERSE SIDE HAS TEXT ABOUT THE IMAGE ON THE FRONT SIDE
THE CARD DIMENSIONS ARE APPROXIMATELY 3 '' x 2 1/2 '' or 7.5 cm. x 6.2 cm.NOTE: THE IMAGE ABOVE IS LARGER THAN THE CARDTO SHOW THE DETAIL.
THIS CARDS IS NOT A MODERN REPRODUCTION IT IS NOT PERFECT AND THIS CARD MAY HAVESLIGHT PAPER LOSS SMUDGINGROUNDED CORNERSSURFACE CREASESSEE THE IMAGES ABOVE!19WE COMBINE SHIPPINGBUY 1 TO 4 TRADE ADVERTISING CARDS AND THE TOTAL TO SHIP IS $2BUY 5 TRADE ADVERTISING CARDS AND SHIPPING IS FREENOTE:ON LARGER INTERNATIONAL ORDERS WE MAY REQUIRE REGISTERDMAIL AND WILL SPLIT THE COST WITH THE BUYER.INQUIRE IF CONCERNED!


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