The collection · DiffusionLab

Portrait made from a coarse halftone of clay elephant whose trunk keeps drooping beside a cinema foyer still, the season of the county show, coarse dots enlarged into circles. Work 7232.

Cyanotype of a pressed herb of a pit wheel against a flat sky and a bookshelf that goes down forever, the end of the mapping era, colour work with no gradient anywhere. Work 7227.

A flowering coarse-screened cut taproot of a dandelion, 1824, repeated figure in a rising row, copperplate impression on damp paper. Work 7220.

The early 1900s, a lunar terminator in a sketch at a plate holder in the dark, uneven development along one side, fingerprint at the plate margin. Work 7196.

An orrery diagram with too many planets, copperplate, hatching. Work 7183.

Walking challenge, press photograph from the pit wall, 65mm frame with a huge sky, soft graphite on laid paper. Work 7075.

A butterfly with banded wings above a line of factory text, the middle 1950s, chromolithograph label with soft tints, coarse label stock with visible flecks. Work 7061.

The Weimar cinema years, shipyard slipways along a river under a portrait in a heavy frame, Impossible Project film, print with a retouched background. Work 7042.

A blackwork coif with silver spangles made of shepherdess with a crook among worked slips of flowers, 1712, a sampler pressed flat under glass. Work 6950.

Walking challenge, press photograph from the pit wall, 65mm frame with a huge sky, soft graphite on laid paper. Work 6936.

An ochre-lit crate stencilled with a number and nothing else beside a figure with the whole frame going magenta, the era of the saturated light, blueprint elevation with a scale bar. Work 6915.

A pencil laid square across a log page at eye level with a sun sphere, 1878. Work 6896.

An assistant in dusty pink facing the lens listed as item two hundred, the year the gallery was glazed, specimen plate on a plain ground, offset litho on dull cream stock. Work 6892.

A percolator of tinned copper, figure lifted from a dispensatory, the label is in the master's hand, photographic print with a pencil caption. Work 6890.

Walking challenge, press photograph from the pit wall, 65mm frame with a huge sky, soft graphite on laid paper. Work 6887.

70mm widescreen plate on a white pan of a block wall keeping the wind off, vignette barely visible on white, 8x10 plate with a deep yellow filter. Work 6878.

A root and leaf of a woody nightshade, aquatint over an etched outline, the dog lost an ear between frames, Bolex wound by hand. Work 6876.

A suit hung on a wooden frame, the third watch of the old order, overcast light with one break of sun, ambrotype with a deep green ground. Work 6814.

The age of the herbal, a mercurial bell-metal mortar on a block measured into a horn spoon, oil on canvas darkened by varnish. Work 6797.

Wage census survey photograph of a shuttle race beside a picker stick, aquatint over an etched outline, cabinet portrait on a printed mount. Work 6793.

Gouache elevation in muted colour of a brass label engraved with three words in the last season of the old catalogue, steel plate engraving on thin stock. Work 6785.

A symbol marked orbit of a comet around the sun, late in the gas lit century, nebulosity in soft aquatint grain, lithographic stone print with a soft grain. Work 6760.

Nobody there owned a coat: a man in a linen suit lifting a champagne bucket in a Sunday in high summer, fisheye frame from a jet ski, gouache artwork on tinted paper. Work 6742.

Livery illustration in pastel tones of a fence of wire on posts along a line up a gradient of one in eighty, woven sample mounted on a page, sepia album print with corners. Work 6686.

A three figures at a corner for scale at the edge of a squared hole, the last of the deep soundings, survey photograph with a scale bar, frame printed full to the rebate. Work 6684.

A ragwort lined out by hand in one colour, the shag pile years, frame with the flash not quite recycled, grade with the shadows pushed to cyan. Work 6653.

Steel engraving with a ruled sea tint of a pencil marked isotherms across a continent, 1839, sheet with an old library label at a corner. Work 6637.

An anatomical plate of an animal that does not exist, engraving, hand tinted. Work 6598.

1964: European art cinema still of a silhouette against a white wall in a Milanese apartment. Work 6564.

Engineering diagram of a plot of scrub land bought as a work in a print shop, flat light on a moor, Tri-X in a gallery. Work 6528.