DADGAD
D — A — D — G — A — D
Free
DROP D
one string down · everything else unchanged
Free
HALF STEP DOWN
every string down a semitone · same shapes
Free
OPEN C
the deepest of the open tunings
Free
OPEN D
the open strings are already D major
Free
OPEN G
the open strings are already G major
Free
UKULELE CHORDS
the first twelve chords · standard tuning G C E A
Free
THE BEAUFORT SCALE
thirteen forces of wind — from water like a mirror to a wave of fourteen metres
US$2.50
THE EIGHT BLOOD TYPES
three antigens, eight types — and the one rule the whole table of compatibility follows from
US$2.50
RED CABBAGE pH INDICATOR
the purple juice that changes colour: acid or base, without asking a book
Free
THE TEN CLOUD GENERA
three levels of the troposphere to one scale, and the ten genera that live in them
US$1.50
COLOUR GAMUTS
sRGB, Display P3, Rec. 2020 and ProPhoto RGB on the CIE 1931 chromaticity diagram
US$2.50