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.

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.

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.

The year the hull was silvered, a speaking tube with a whistle plug through an air lock into a smoking room, stereo pair on one mount, magic lantern slide hand coloured. Work 9973.

Glamour photograph on a terrace of a man weighed down with camera bags on a piste along the lip of a cornice, transparent dye over an airbrush base, offset litho at a fine screen. Work 9926.

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.

A calico bodied bird of paradise headdress at the end of a long platform, the Counter-Reformation years, topographical collection print. Work 9809.

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 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.

A woman in a headscarf on a hotel roof terrace at a wheel stack behind a garage, the shift with no supervisor on, works handbook illustration, four colour halftone on gloss stock. Work 9539.

Single figure dwarfed by machinery of a semaphore signal atop a roof of turning ventilators, Christmas 1968, magic lantern slide hand coloured. Work 9534.

High vantage frame from a gantry of a pneumatic tube city, Svema colour negative gone orange, dye fade in the cyan layer. Work 9494.

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 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.

A personnel queue on the mezzanine made of medical bay on the eightieth floor over the traffic lanes, the season of the compulsory transfer, architectural camera with shift movement. Work 9231.

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.

The first year of the car phone, a man in a tailored coat holding two sets of keys beside a barrier at a members gate, silkscreen on mirror board, six by seven chrome on a light box. Work 9064.

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

A relief of a coiled serpent on a plinth beneath a timber gallery on corbels in the age before the relief was cut, calotype negative on waxed paper. Work 8979.

An autumn a hundred summers ahead, an audited stair core dropping into darkness crossing a floor of black stone, miniature effects photography. Work 8939.

A blast wall angled across an approach atop a parapet above a long drop in before the upper terraces were cut, concrete model lit from one side only, offset lithograph on a dull coated stock. Work 8914.

A mass-concrete half-poured stair flight climbing a sheer rock face, long after the architects left, warm stone against cool shadow, bromide print with the detail held. Work 8880.

Metalcut print of a half scale jet bridge, the first year of the wireless, sharp to the far ridge. Work 8872.