Charts for any wall
Some sheets are for a pupil or for a player. These are not. They are the ones a household reaches for regardless of what anyone is studying: a brew ratio, a size conversion, a status code, the phase of the Moon.
It is the widest set in the catalogue and the least uniform, and that is deliberate. What the sheets share is a kind of question rather than a subject — something you half know, need exactly, and would rather not unlock a phone to find.
They end up in kitchens, hallways and home offices: wherever the question tends to get asked out loud.
PROTEIN IN FOODS
grams per 100 g · animal and plant · and the state each one was weighed in
TONEWOODS
density, hardness, export · what is measured kept apart from what is taste
THE STEREO FIELD
what stays centred · what is spread · why the low end is not panned
MORSE CODE
26 letters and 10 digits · dot, dash
PHONETIC ALPHABET
the ICAO standard · for radio and telephone
THE BASKETBALL
four FIBA sizes with their circumference and mass — and why the rules set a bounce, not a pressure
FOOTBALL: THE BALL
Law 2, three codes of the game, five sizes and three FIFA quality marks — what a ball must survive
BALLS BY THE RULES
eleven sports at true relative size — circumference, mass, pressure, and who sets them
IMPERIAL UNITS
convert in your head · without a calculator
PAPER SIZES
the A series · from A0 to A6
BICYCLE CLASSES
frame, wheel by ISO 5775 and handlebar — three signs of a class, and what the frame is rated for
CAR CLASSES
segments A to F by length and bodies by box count — how to name any car you see
MOTORCYCLE CLASSES
rake, trail, wheelbase and seat height — six classes drawn at one scale
THE RACING LINE
one corner, three apexes, the time computed