THE VERTICAL PLANET
from the Challenger Deep to the summit of Everest · one scale, nothing compressed
$1.50
IMPERIAL UNITS
convert in your head · without a calculator
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PAPER SIZES
the A series · from A0 to A6
$1.50
from the Challenger Deep to the summit of Everest · one scale, nothing compressed
convert in your head · without a calculator
the A series · from A0 to A6