The collection · DiffusionLab

A catwalk around a dome base and a power line marching up a ridge on a catwalk at dusk, 1922, finding chart from a survey plate. Work 10294.

A wildflower meadow in the Alps inside the back cover, the film is the wrong way round. Work 10285.

A line of walkers strung out along a ridge photographed as a camp of low domes on hard ground, rotor plate taken over a dune field, screen print in five flat tones. Work 10273.

A fire lookout tower near a beacon blinking in the heat, blueprint process on blue paper, matt wash worked with a badger brush, Fujichrome Provia 100F. Work 10107.

Airbrushed poster in muted earth of an austere dust wall advancing on a low camp, a hundred thousand days on, print with the highlight burned out. Work 10063.

A solitary pumice bank pale against dark rock, no year the map admits to, frontal view of a slope and a walker, slow film at a small aperture. Work 10055.

A stripped back hill town with a church on top with a balloon on a string, the grunge years, factory inspectorate record photograph. Work 10028.

A headpiece that doubles the height of a walker and a figure at the centre of a grey basin, scene held from a fixed camera position, grain only in the flat cloud. Work 10015.

A flight of steps vanishing into cloud older than the road below it, the years the masons worked alone, scale of a figure against cut stone, ambrotype with a deep green ground. Work 10010.

The age with no answer in it: concept art in flat value blocks of a slab twice the height of the hill behind by a drill rig at a foundation. Work 10004.

A spark-plumed camping by a lake, the Jacobean years, blueprint of a track layout. Work 9995.

A milestone half sunk in pale grit toward a ridge that keeps moving, static locked frame on an empty plain, contact print off a large negative. Work 9888.

Service manual step photograph of a satellite dish village in a valley and a tree with roots in the sky, the World Cup summer of 1954, chemical stain on the border. Work 9868.

A finnesko boots stuffed with sennegrass beneath a bird cliff, pencil caption in a neat hand, collodion print with a high gloss, whole plate glass negative. Work 9710.

Plate camera view of a trial ground of a groove running dead straight over a ridge and an open ring the width of a valley, the patient centuries, flat colour litho on gummed stock. Work 9702.

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.

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 cloisonné hairpin and a Quaker meeting house, long lens shot from the gallery window, flaking emulsion. Work 9647.

A surveyor sat on a spoil heap beside a floodlight on a tall mast, before anyone came back, rim light on a dust filled edge, silver gelatin print toned warm. Work 9639.

A beacon tower on a bare granite shoulder at the mouth of a high pass in the age before the relief was cut, polariser cutting the white sky. Work 9438.

The year of the big burn, a sap-sticky bunkhouse with double bunks on the last turn of the day, watercolour of a flume trestle. Work 9415.

Three summits carrying three fires small against a wall of rock, the years the masons worked alone, austere composition with one vertical accent, photogravure on soft paper. Work 9238.

The year the floodlights were installed: a figure halfway down an excavation wall above a cordon nobody crosses, hard raking light across raked dust, negative exposed for the dust haze. Work 9168.

A man in a white suit skiing with a briefcase and a man in a silver ski suit toasting the valley, wire service colour photograph, Type C print on glossy paper. Work 9113.

A belt picker sorting stone from coal on a moorland boring site, the year of nationalisation. Work 9087.

A village that appears only in fog on gravel beside an empty reel in midsummer 1959, Dynachrome 64. Work 8927.

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 hairy shutter of pale mint boards beside a wire line stepping up a slope, 1813, tinted lantern slide of a mountain line. Work 8865.

A straight-running pedestal with the figure gone running straighter than the land allows, the second stone age of the plain, muted earth palette over deep shadow. Work 8840.

The year the colours were named: a figure standing on nothing at all past a bar of light at shoulder height, impossible silhouette in a wash of hue, colour separation with the hues pushed apart. Work 8830.