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Earth Temperature Caused By Inclination Of Earth's Axis 1920s Trade Ad Card For Sale


Earth Temperature Caused By Inclination Of Earth's Axis 1920s Trade Ad Card



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Earth Temperature Caused By Inclination Of Earth's Axis 1920s Trade Ad Card:
$3


Earth Temperature Caused By Inclination Of Earth's Axis 1920s 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 2 5/8 '' x 1 3/8 '' or 6.5 cm. x 3.5 cm.

ORIGINAL 1920s TRADE - ADVERTISING CARD
COMMON FALLACY: IN SUMMER THE EARTH IS NEARER THE SUN THAN IN WINTER
Usually the nearer one is to a source of heat the greater the warmth and vice versa. In the present case, however, another factor affects the question, for the seasons are caused by the inclination of the Earth's axis to the plane of its orbit round the Sun. In winter our N. hemi- sphere is turned away from the Sun, and in summer towards it. Owing to the shape of our picture the Earth's orbit is shown as an ellipse, actually it is nearly a cirele. The Earth is nearest tihe Sun (abt. 91 million miles) in Jan., and farthest in July (abt, 94 imillion miles).
THE REVERSE SIDE HAS TEXT ABOUT THE IMAGE ON THE FRONT SIDE SEE IMAGES ABOVE
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.
THIS CARD IS NOT A MODERN REPRODUCTION IT IS NOT PERFECT THERE MAY BE: SLIGHT PAPER LOSS - SMUDGING - ROUNDED CORNERS - WEAK CORNERS SEE THE IMAGES ABOVE! 10 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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