Visual Collection

Array of Necker cubes. A Necker cube is a wireframe drawing of a cube which could be interpreted as being orientated in two different ways

Cottage of Alfred Wallis, St Ives, Cornwall
View of the cottage of Alfred Wallis (1855-1942), primitive artist, mariner, fisherman and marine stores dealer, at Back Road West, not far from Porthmeor Beach and the Tate Gallery

Eyesight test chart

His Masters Breath - Satire
His Masters Breath Satirical play on the dog/gramophone logo for His Masters Voice, substituting the music player for a whiskey jar and funnel

Painting by Hs Power, artillery and horses at Ypres, WW1
Painting by the Australian war artist Harold Septimus Power (1877-1971), showing artillery going into action before the Battle of Ypres

Construction of the Statue of Liberty, Paris
Construction of the Statue of Liberty in Paris, before shipping to New York. 1885

Hollow-face illusion, artwork
Hollow-face illusion, computer artwork. This is an optical illusion where the perception of a concave (hollow) mask of a face appears as a normal convex (protruding) face

Set of glass eyeballs. Each shell illustrates a disease or abnormality affecting the eye. The set was hand crafted in the late 1920s by ocularists of Theodore Hamblin Ltd

Second degree masonic tracing board, 1819 (oil on wood)
3057576 Second degree masonic tracing board, 1819 (oil on wood) by Bowring, Josiah (1757-1832); Library and Museum of Freemasonry, London, UK; eMuseum of Freemasonry; British, out of copyright

Hollow-face illusion, artwork
Hollow-face illusion, computer artwork. This is an optical illusion where the perception of a concave (hollow) mask of a face appears as a normal convex (protruding) face

Paula Rego and her three children
The Portuguese visual artist Paula Rego (b. 1935) with the three children she had from the marriage with the English painter Victor Willing. Date: 1966

Painting by Hs Power, War, WW1
Painting entitled War by the Australian war artist Harold Septimus Power (1877-1971), showing soldiers on horseback, pulling heavy artillery across a field

Goblet illusion. This image is simultaneously a drawing of a goblet and two faces. When there are two competing interpretations of an ambiguous image the brain will often switch between them

Eye anatomy, artwork
Eye anatomy, computer artwork. At the front of the eye is the cornea, a transparent coating. Behind this is the lens, which is partly covered by the iris

Penrose stairs, artwork
Penrose stairs, computer artwork. This is an impossible figure created by the physicist Roger Penrose and used by M C Escher in his illustration Ascending and Descending

Internet blog map. Computer generated map showing relationships between internet weblogs (blogs). Blogs are internet sites where entries are made in journal style

Peripheral drift illusion. When the image is viewed in the peripheral vision (indirectly, whilst looking outside of the pattern) it appears to rotate. When observed directly the movement stops

Ouchi illusion. The central circular area of perpendicularly orientated bars appears to move and float compared to the surrounding pattern

Dyslexia treatment
MODEL RELEASED. Dyslexia treatment. Dyslexic girl wearing yellow glasses while reading. These filters improve the function of the brain cells concerned with visual perception

Impossible triangle, artwork
Impossible triangle, computer artwork. This is an impossible figure created by the physicist Roger Penrose. Impossible figures are objects that can be drawn but not created

Penrose stairs, artwork
Penrose stairs. Computer artwork of Einstein characters climbing a set of Penrose stairs. This is an impossible figure created by the physicist Roger Penrose

Poster, New York World's Fair, The World of Tomorrow
Travel poster, designed by Joseph Binder, New York World?s Fair, The World of tomorrow, 1939, Grinnell Litho, New York, USA

Barbara Hepworth, English artist and sculptor
Barbara Hepworth (1903-1975), English artist and sculptor. circa 1948

Art nouveau design with leaves
Art nouveau design with green leaves. Date: circa 1920s

Sailors demonstrating flag semaphore system

The Cedars of Lebanon, by Edward Lear (1812-1888). The first version was painted in 1861; this is a later version, commissioned by Charles Roundell MP

Channel tunnel. Historical artwork of a tunnel beneath the English Channel through which Napoleons troops are moving to invade England

German design, Spring and Autumn, after watercolours by H Schmidt. Date: circa 1910s

The Watlington White Mark, Oxfordshire. The chalk scar was dug into Watlington Hill in 1764 to give the illusion that the town's church had a spire

Sir Francis Drakes Game of Bowls. A. D. 1588 (colour litho)
670053 Sir Francis Drakes Game of Bowls. A.D. 1588 (colour litho) by Moreland, Arthur (1876-1951); Private Collection; (add.info.: Sir Francis Drakes Game of Bowls. A.D. 1588)

Technical College - Glasgow, Scotland
Glasgow and West of Scotland Technical College (1887-1912), afterwards becoming the Royal Technical College (1912-1956) - Glasgow, Scotland. Date: 1909

William de Morgan by Evelyn de Morgan
Portrait of William Frend de Morgan (1839-1917), English potter, tile designer and novelist, by Evelyn de Morgan (nee Pickering). circa 1880s

Rod and cone cells of the eye, SEM C014 / 4866
Rod and cone cells of the eye. Coloured scanning electron micrograph (SEM) of rod and cone cells in the retina of a mammalian eye

Wundt illusion. This illusion was created by the psychologist Willhelm Wundt in the 19th century. It is the exact opposite of the Hering illusion

Ponzos illusion. The vertical red line to the left of the image appears to be smaller than the one to the right. In fact they are the same length

CLAUDE CHAPPE 1763-1805
CLAUDE CHAPPE French Engineer. Invented a telegraph system employing visual semaphore signals. With his brother, he erected signals between Paris & Lille

Poster, exhibition of English Graphic Art, Zurich
Poster, Kunstsalon Wolfsberg exhibition of English Graphic Art, announcement of a Board of Trade and British Museum exhibition held in Zurich from June to August 1923

Eric Gill, sculptor and printmaker, at work
Arthur Eric Rowton Gill (1882 - 1940), English sculptor, printmaker and typeface designer, at work, using a magnifying glass. Date: 1930

William Hogarth drawing at Queensborough
William Hogarth (1697-1764), artist, drawing in the street at Queensborough and attracting attention from passers-by. Date: circa 1730

German design, Summer and Winter, after watercolours by H Schmidt. Date: circa 1910s

Illustration, film camera

Magnifying glass. The glass lens is polished to an exact shape to produce a clear image. It magnifies the view of an object because the shape of the lens is convex

The red and the black gate, 1920. Creator: Pelle Swedlund
The red and the black gate, 1920

Old town house in Gavle, (c1940s). Creator: Pelle Swedlund
Old town house in Gavle, (c1940s). Depicting the Berrggrenska farm at N. Strandgatan, eastern gable of the house (N. Strandgatan 13) in Gavle

Roping gray wolf, Cowboys take in a gray wolf on "Round up, " in Wyoming, 1887. Creator: John C. H. Grabill
Roping gray wolf, Cowboys take in a gray wolf on "Round up, " in Wyoming, 1887. Five cowboys on horses roping a wolf

Round-up scenes on Belle Fouche [sic] in 1887, 1887. Creator: John C. H. Grabill
Round-up scenes on Belle Fouche [sic] in 1887, 1887. Cowboys and cattle on range

Picket Pin, c1907. Creator: Edward Sheriff Curtis
Picket Pin, c1907. Full-length portrait of Dakota man dressed in loin cloth holding buffalo skull

Red Dog (Shunka Luta), c1907. Creator: Edward Sheriff Curtis
Red Dog (Shunka Luta), c1907. Head-and-shoulders portrait of Dakota man

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"Exploring the Visual World: From Artistic Illusions to Eye Anatomy" Step into the enchanting Cottage of Alfred Wallis in St Ives, Cornwall, where every brushstroke tells a story. His Masters Breath - Satire painting captures the essence of wit and irony through vivid imagery. Test your eyesight with an intriguing chart that challenges perception. Just like Hs Power's masterpiece depicting artillery and horses at Ypres during WW1, it reminds us how perspective can shape our understanding of history. Marvel at a set of glass eyeballs, a testament to human ingenuity in restoring sight for those who have lost it. Similarly, the Hollow-face illusion artwork plays tricks on our minds as we struggle to distinguish between reality and illusion. Witness Paula Rego's profound connection with her three children through her captivating painting. It serves as a reminder that art has the power to convey emotions beyond words. Delve into another powerful piece by Hs Power portraying the horrors of war during WW1. The haunting image compels us to reflect on humanity's capacity for destruction and resilience. Allow yourself to be mesmerized by the Goblet illusion, where two distinct images coexist within one vessel. This optical marvel challenges our perception and forces us to question what is truly there. Embark on an artistic journey exploring eye anatomy through intricate artwork. Discover the complexity behind this remarkable organ responsible for capturing visual wonders around us. Finally, immerse yourself in Penrose stairs' mind-bending creation – an endless loop challenging gravity itself. As you contemplate this perplexing artwork, let your imagination soar beyond conventional boundaries. In this world filled with visual wonders and illusions alike, art becomes a gateway into new dimensions – inviting us to see beyond what meets the eye and explore boundless realms of creativity.