TEA PLANT CULTIVARS
assamica against sinensis · leaves at one scale · six cultivars
$1.50
SUGAR IN FRUIT
grams of natural sugar per 100 g of fresh fruit — and how much water sits beside it
$2.50
BALLS BY THE RULES
eleven sports at true relative size — circumference, mass, pressure, and who sets them
Free
PAPER SIZES
the A series · from A0 to A6
$1.50
MOTORCYCLE CLASSES
rake, trail, wheelbase and seat height — six classes drawn at one scale
Free