Standard — Printable Charts

the bands, the tolerances and the preferred series of two standards

the three classes, 24 named rocks and the cycle that links them — after USGS and NPS

five categories of hurricane wind — and how much more damage each next one does

five gases on one wavelength scale, from the violet edge to the red

twenty-eight damage indicators — and the wind at which each one gives way

who sits inside whom · where animals, fungi and plants actually are

two flags, eight positions 45 degrees apart — all 26 letters; after the numerals sign A–I read as 1–9 and K as 0

the twenty-six alphabet flags of the International Code of Signals — and what each one means alone

how to fly the same flag twice in one group with only one set aboard

the nearest square off the lines, over pieces, and four moves to the square next door

one square forward, two on its first move, capturing diagonally — and never going back

fifteen schools and thirteen lines of transmission — every arrow is a documented apprenticeship, not a legend