The Porcelain Slip: On My Grandmother's Practice of the Marginalia She Never Made

My grandmother’s reading was, by any modern measure of personal knowledge management, completely lost. She left no highlights, no digital notes, no tags. Her library, a modest collection of mid-century novels, travelogues, and poetry, was passed to me entirely unmarked. No dog-eared pages, no underlining in pencil, no triumphant exclamations in the margins. For a long time, I took this as a sign of a passive reader, one who simply let the words wash over and then away.

I was wrong. Her system was just elsewhere. It lived in the kitchen, on a small shelf by the window, nestled between the sugar tin and the tea canister. There sat a stack of blank porcelain slips—the thin, rectangular tiles potters use to test glazes. Whenever she read something that struck her, a line of verse, a turn of phrase, a description of a sky she felt she had seen, she would not reach for a pen. She would finish her chapter, place her bookmark, and then go to the kitchen. There, she would write the fragment, from memory, onto a fresh slip with a special ceramic pencil. The act of recalling was the first layer of her curation.

Then, the tile went into the next firing of her kiln, a small electric one in the garage. The words, now a faint, permanent sepia stain, were sealed under a clear, glossy glaze. They became objects. Over the years, she accumulated hundreds of these—a physical, fragmented commonplace book that could not be searched, only handled. To “retrieve” a thought, you had to pick up a tile, feel its cool weight, and trace the baked-in letters with your thumb. The process was slow, tactile, and utterly resistant to the logic of the feed.

The Glaze of Context

This was her anti-algorithm. Online, our saved clips are stripped of original context and immediately drowned in a stream of other, equivalently formatted clips. They become interchangeable data. Her tiles, however, accumulated their own secondary context. The slight warp of one tile spoke of a too-hot firing on a rainy Tuesday. A tiny thumbprint in the glaze of another remembered a grandchild’s interruption. The physicality of the object carried the shadow of the moment of its creation, a metadata no software could replicate.

She never arranged them by theme or author. They lived in stacked columns, chronological by firing batch. To find a particular fragment, she’d have to sift, to remember roughly when she had read the book, letting her hands do the walking. In this sifting, she’d inevitably re-encounter other, forgotten fragments, sparking connections no intentional tagging could have predicted. A line from Donne might brush against a description of a California redwood, their proximity in the stack creating a new, silent poem.

In an age obsessed with capturing and making every thought instantly retrievable, her practice feels like a gentle heresy. She wasn’t building a searchable soul, but a soul’s pottery shed. The thoughts were not indexed for utility, but fired for endurance, made beautiful and slightly obscure in their new ceramic form. They were not tools for future arguments, but artifacts of past attention. I have her books now, pristine and silent. But I also have the tiles, these heavy, glazed whispers. They teach me that the deepest form of taking something in might not be to annotate it in its own margins, but to gently lift it out, and give it a home of its own, where it can cool and wait, forever patient, to be picked up again.

Notes & further reading

A few pages I came back to while writing this: