InkstoneAtelier · Takamatsu
A pool of water marbled with rings of black ink.

Takamatsu, Kagawa · Est. 1923

The morning’s ink,
proved on water

We grind pine soot and hide glue into ink sticks, slowly, on stone. Every batch is tested the old way: a drop floated on still water. Move gently across the surface and the ink answers. When the pattern pleases you, pull a print.

Drag to stir · tap to drop a ring · what you pull is yours

Ink

Proof of the day
Batch 4,188 · proved this morning at dawn
Aji stone basin no. 3

The craft

Soot, glue, and a hundred slow nights

The stone

Every batch that leaves this house is ground and proved on Aji granite, cut an hour east of the workshop. Fine stone carries a tooth too small for the eye. It shears soot from the stick a few microns at a time, which is why good ink feels like silk on the wrist and never like grit. We dress each basin by hand and retire it the year its tooth goes quiet.

Aji granite · dressed twice a year · retired at thirty

The soot

Pine roots from the Sanuki hills burn all winter in low, starved kilns. The chimney does the grading: heavy soot falls near the flame, and the finest particles drift to the far chamber, where they are swept once, with a feather. A whole season of fire yields eleven kilograms worth keeping.

Kiln no. 3 · feather swept · eleven kilograms a winter

The binding

Nikawa

Hide glue, dissolved warm and kneaded into soot by hand and heel until the mass turns from mud to dough to something like muscle.

The mold

A breath of camphor, then the press: pear wood molds carved before the war, corners still crisp after ninety thousand sticks.

The wait

Sticks dry buried in ash for a season, then hang in paper sleeves for years. Tap a cured one and it rings like porcelain. We sell nothing younger than eight.

The ink sticks

Three sticks, proved and numbered

The autumn shelf · Night Rain standing · First Frost leaning · Cinnabar Gate at rest

Night Rain Pine soot · aged 12 years · 3 monme ¥9,600

Cool blacks that thin to the gray of rain at dusk. Slow on the stone and generous in the wash; this is the stick we reach for when a letter has to say less than it means.

Soot
Kishū pine root, kiln no. 3
Binder
Tajima hide glue
Aged
Twelve years in paper sleeves
Edition
220 sticks, pressed in autumn
First Frost Lamp soot · aged 8 years · 2 monme ¥6,800

Warm and deep, with a quiet gloss where the brush pools. The everyday ink of this house, and the one its ledger has been kept in since the founding.

Soot
Rapeseed lamps, wicks trimmed hourly
Binder
Tajima hide glue
Aged
Eight years in paper sleeves
Edition
340 sticks, pressed in spring
Cinnabar Gate Vermilion · aged 5 years · 2 monme ¥7,400

Seal red for signatures, corrections, and last words. Every proof pulled upstairs carries its mark in the corner, and so does every print you pull from this page.

Pigment
Ground cinnabar, washed nine times
Binder
Tajima hide glue
Aged
Five years in cedar
Edition
150 sticks, pressed in winter

The atelier

Four generations at one table

Tomonaga Sōichi came to Takamatsu in 1923 with a sootman’s lungs, a marriage into a paper family, and one conviction: that ink should be ground where the stone is quarried. He set his first basin in a storehouse two streets from the harbor, and the house has not moved since.

The water test began as thrift. A stick that disperses evenly is a stick that was kneaded honestly, so each morning the first grind of the day is floated on still water and read like a pulse. Around 1931 the readings turned beautiful, and the family began to keep them. There are near three thousand proof sheets in the cellar now, one for almost every working morning since then.

Today the table belongs to Tomonaga Kanae, fourth of her name in the ledger. She grinds, she floats, she pulls. The vat at the top of this page is hers, and the pattern you disturbed was this morning’s reading.

Proof sheet no. 88 · pine soot on kōzo
  1. 1923Sōichi sets the first basin in a harbor storehouse.
  2. 1931The morning proofs begin, and are kept.
  3. 1958Kiln no. 3 is fired for the first time.
  4. 1989The long cellar is dug; the aging shelves double.
  5. 2016Kanae takes the table.