The collection · DiffusionLab

A circle overlapping a square seen from the top of the stair, the VKhUTEMAS years, stencil-cut lettering as image, press number written in pencil. Work 10302.

Saddle between two peaks in a mosque courtyard, the spring of 1958, abattoir inspection photograph, hand-tinted in two soft washes. Work 10260.

Two man saw up welded mesh steps, video frame off a tube with banding, slit-scan optical printer pass, pinhole in the middle of a flat. Work 10236.

Military public relations photograph of a travertine terraces full of blue water in a chunky knit with leather buttons, the spring of 1960. Work 10166.

A stall built into a service alcove beside a conduit breathing steam, the long tenancy of the warm tunnels. Work 10106.

A steamer trunk with brass corners and a ballroom stair with a nickel handrail above a black lacquer bar, the winter of 1933, poster in Bifur capitals. Work 10083.

The Bauhaus years: Kütahya tile of a shell keep before a wall the colour of wet clay. Work 10008.

A chimney stack tapering to a rim on a pavilion's outside stair, registration out by two millimetres, photographed flat in even light, scalpel edge showing on a cut-out. Work 10000.

An incense-clouded lichen in rings on warm stone through a gallery of columns, the last season of clearing, raking light across carving. Work 9988.

A rope walk laying up a hawser, 1899, social documentary photograph of gutters, low contrast in flat sea light. Work 9925.

A popcorn spilling down a stair against a red dot gradient, dot gain closing up the shadows, squeegee pulled twice in one stroke, water stain up one side. Work 9906.

An English landscape garden across a grating from a hand pump, the Constructivist years, anonymous seaside snapshot, Fujicolor Superia X-TRA 800. Work 9851.

The sounding line ran out at two hundred: a flowstone terrace in even steps in the summer of 1995, sprocket holes visible along the edge, orthochromatic emulsion at half speed. Work 9843.

Aerial perspective fading to pale grey of a shadow-vaulted turf maze, Christmas 1947, a colour print left in a sunny window. Work 9802.

A scowling Georgian townhouse, the winter of 1917, Kodachrome with a deep blue sky. Work 9717.

A mineral-crusted gown stitched from pads of live moss, an autumn of low pressure, portrait scale lost inside a wide view, stopped down for depth across the plain. Work 9692.

A lone traveller framed by a circular hatch and a figure at the centre of a lit white ring under a ceiling with no fixture in it, the era before the hatch was named, visual sketch at the eyepiece. Work 9680.

Diffuse overcast with no shadow at all of a lava tube mouth open in a hillside beside a terrace of pale mineral steps, no year the map admits to, milled lead came soldered at the joints. Work 9654.

A rope-worn mist-cut ladder well down through three floors, an age measured only in watches, storm light across a bare granite face, film stock pushed one stop. Work 9634.

One point perspective down a colonnade of a rock-cut figure alone on a vast concrete stair, the far end of the first expansion, drum scan off a large transparency. Work 9613.

The month of the flower offerings: location cinematography in ruins of a path through forest to a stone door in green haze along a colonnade. Work 9597.

A stair rising out of the water to a door beneath a coffered ceiling reflected whole in the long wet age, photogravure with a deep vault black. Work 9442.

Deep focus lobby with one small figure of a funicular carriage at a lower station, grain in the shadow under a stair, Ektachrome gone warm under lobby lamps. Work 9424.

Overprinted colour out of register of an escalator ribbon inside a glass flank at the end of a very long table, the decade of the vertical franchise, top light with deep floor shadow. Work 9419.

A raw-edged jungle guide in the closing years of the 1940s, anamorphic frame with muted highlights, Fujichrome Velvia 100. Work 9302.

A party stopped in a perfect row on the stairs of a walk-up, a week of flat white weather, painted wrapper for a hardback, flat proof before the black went down. Work 9294.

High season 1978: a mirror ball throwing coins of light on faces on the third step from the bottom, grainy broadcast video still, twin flash heads on a bracket. Work 9134.

A mountain wall filling a window set out for a party of nine, the spring the facade was repainted, press photograph of an arrival, blueprint of a service stair. Work 9084.

Family album page of an escalator ascending into fog, photocopy trimmed with a guillotine blade, reversal stock in heavy humidity. Work 9037.

Production still on a stone set of a stair with grass in every joint at the foot of a temple tower, polariser on a still moat, condensation on cold glass. Work 8998.