Compound Collection

Knapped Flint Tools
A selection of flint and bones tools from a range of prehistoric eras incl. microliths used in compound tools of the mesolithic to earlier scrapers and choppers

Caffeine crystals, light micrograph
Caffeine crystals. Polarised light micrograph of crystals of caffeine (1, 3, 7-trimethylxanthine). Caffeine stimulates the central nervous system increasing alertness and deferring fatigue

Copper and magnesium sulphate, LM
Copper and magnesium sulphate crystals. Polarised light micrograph (LM) of copper sulphate (CuSO4) and magnesium sulphate (MgSO4) crystals

Graphene sheet, artwork C016 / 8274
Graphene sheet. Computer artwork showing the molecular structure of a graphene sheet. Graphene is a single layer of graphite

EDTA crystals, light micrograph
EDTA crystals. Polarised light micrograph of a section through ethylenediaminetetraacetic acid (EDTA) crystals. EDTA is used primarily for its effectiveness at binding metal ions (chelating)

Ant, SEM
Ant. Coloured scanning electron micrograph (SEM) of an ant (family Formicidae). One of its compound eyes (red) is seen, as well as two long antennae that are mounted on the head between the eyes

Secondary structure of proteins, artwork
Secondary structure of proteins, computer artwork. The secondary structure is the shape taken by the strands of proteins, which are biological polymers of amino acids

Threshing Wheat
Men threshing wheat at a farm near Henley-on-Thames, Oxfordshire, England, using a Surrells patent compound steam traction engine (mounted on springs)

Perovskite crystal structure. Perovskite is the name for the mineral calcium titanium oxide (CaTiO3). It forms a crystal structure that is very common in oxide minerals

Oxytocin hormone crystals, PLM C016 / 7196
Oxytocin. Polarised light micrograph (PLM) of crystals of the female hormone oxytocin. In women this hormone is secreted naturally by the pituitary gland

Simulium damnosum, Simulian blackfly
Scanning electron microscope image of the head showing the compound eye (x 130). The fly is a vector of a parasite which causes River Blindness. Coloured artifically by computer

Oxytocin crystals, light micrograph
Oxytocin. Polarised light micrograph of crystals of the female hormone oxytocin. In women this hormone is secreted naturally by the pituitary gland

Honey bee, SEM
Honey bee (Apis mellifera), coloured scanning electron micrograph (SEM). The head and one of the two compound eyes is at lower left

Copper sulphate crystals, LM
Copper sulphate crystals. Polarised light micrograph (LM) of copper sulphate (CuSO4) crystals

Caffeine drug molecule
Caffeine. Computer model of a molecule of the alkaloid, stimulant and legal drug caffeine. Caffeine is most often consumed in drinks like tea and coffee

Bacterial ribosome. Computer model showing the secondary structure of a 30S (small) ribosomal sub-unit from the bacteria Thermus thermophilus

HIV reverse transcription enzyme. Molecular models of the reverse transcriptase enzyme found in HIV (the human immunodeficiency virus)

Hepatitis C virus enzyme, molecular model
Hepatitis C virus enzyme. Molecular model of a genetic enzyme from the Hepatitis C virus. This enzyme is called HC-J4 RNA polymerase

Glutamine synthetase enzyme computer model. This is a ligase enzyme, which forms chemical bonds between molecules. The different colours show the different subunits that comprise the protein

Graphene sheet. Graphene is a planar sheet of carbon atoms arranged in a hexagonal pattern. Stacked graphene sheets form the common material graphite, used in pencils and industry

Cortisol crystals, light micrograph
Cortisol crystals, polarised light micrograph. Cortisol is a steroid hormone produced by the adrenal glands, which sit on top of the kidneys

Vitamin B12, molecular model. Vitamin B12 (cyanocobalamin) is an essential nutrient that humans are unable to produce and need to obtain from their diet

Prambanan Temple (Candi Rara Jonggrang), Northeast of Yogyakarta, Central Java, Indonesia
Candi Prambanan or Candi Rara Jonggrang is a 9th-century Hindu temple compound in Central Java, Indonesia. The temple compound is located northeast of the city of Yogyakarta

Foden Tractor UX 9728
Foden Tractor, regn. UX 9728, number: 13784. Built in 1932 by Edwin Foden, Sons and Co of Elworth Works, Sandbach, powered by a 6 Nhp compound steam engine. Date: 1970s

McLaren Ploughing Engine BD5504
McLaren Ploughing Engine, regn. BD5504, number 1552, Hero. Built by J&H McLaren & Co. at Hunslet in 1919, powered by a 16 Nhp compound steam engine. Date: 1970s-1980s

PLM of crystals of testosterone
^BMale sex hormone.^b Polarised light micrograph of crystals of testosterone. Testosterone is the main human androgen, the class of steroid hormones responsible for the development of male

Napier Nomad compound diesel engine, port front quarter

Napier Nomad compound diesel engine, port view

Insulin crystals, light micrograph C017 / 8249
Insulin. Polarised light micrograph (PLM) of crystals of the hormone insulin. The insulin molecule is made up of two chains of amino acids (A & B chains)

Antoine Lavoisier and wife, chemist
Antoine Laurent Lavoisier (1743-1794, centre left), French chemist, with his wife Marie-Anne- Pierrette (1758-1836) in his laboratory. Lavoisier is recognised as the founder of modern chemistry

Graphene sheet. Graphene is a planar sheet of carbon atoms arranged in a hexagonal pattern. Stacked graphene sheets form the common material graphite, used in pencils and industry

Capsaicin molecule
Capsaicin, molecular model. This chemical gives chilies their heat and causes a burning sensation when ingested. It is a secondary metabolite of the chili plant (Capsicum sp)

Oxytocin neurotransmitter molecule. Computer model showing the structure of the neurotransmitter and hormone Oxytocin. Atoms are colour-coded spheres (carbon: dark grey, hydrogen: light grey)

Januvia diabetes drug molecule
Januvia diabetes drug, molecular model. Januvia (sitagliptin) is a hypoglycaemic drug, one that reduces blood sugar levels

Praziquantel parasite drug. Computer model of a molecule of the drug praziquantel. Atoms are represented as spheres and are colour-coded; carbon (pink), hydrogen (white)

Explosion of Sarin nerve gas molecules
Sarin nerve gas. Computer artwork of exploding molecules of the nerve gas Sarin (methylphosphonefluridic, (1-methyl ester, chemical formula (C4.H10.O2.P.F))

Copper sulphate crystals, LM
Copper sulphate crystals. Polarised light micrograph (LM) of copper sulphate (CuSO4) crystals

Water molecule. Computer model of a molecule of water. Atoms are colour-coded: oxygen (red) and hydrogen (white). Water is one of the most abundant chemicals on Earth

Interferon molecule. Computer model showing the secondary structure of a molecule of interferon. Interferons are proteins produced by white blood cells as part of the immune response to invading

Fowler Showmans Road Locomotive 20223, Supreme
Maker: John Fowler & Co. of Leeds. Type: Showmans Road Locomotive Number: 20223 Built: 1934 Registration: EU 5313 Class: B6 Cylinders: Compound Nhp: 10 Name: Supreme Date: 1970s-1980s

Burrell Showmans Road Locomotive 3938, Quo Vadis
Maker: Charles Burrell & Sons of Thetford, Norfolk Type: Showmans Road Locomotive Number: 3938 Built: 1922 Registration: XL 9086 Class: Scenic Cylinders: Compound Nhp: 8 Name: Quo Vadis Date

Oxytocin hormone crystals, LM C016 / 7195
Oxytocin. Polarised light micrograph of crystals of the female hormone oxytocin. In women this hormone is secreted naturally by the pituitary gland

Anopheles gambiae, mosquito
Scanning electron microscope image showing a close-up of the compound eye of a female mosquito (x 2200 on a standard 9 cm wide print)

Copper and magnesium sulphate
Copper sulphate and magnesium sulphate crystals, polarised light micrograph

Cubane molecule. Computer model showing the structure of a molecule of cubane (C8H8). Atoms are represented as colour-coded spheres (carbon, grey; hydrogen)

First compound aeroplane design, with flappers mounted on struts rising from fixed wings set dihedrally on a wheeled car. 1805. From Cayleys original notebook

Copper sulphate crystals. Polarised light micrograph of copper sulphate (CuS04) crystals

Calcium phosphate crystal, SEM
Calcium phosphate crystal, coloured scanning electron micrograph (SEM). Crystalline materials have their atoms placed in regular lattices that can form geometric shapes like this

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A fascinating world of compounds unfolds in this captivating collection of images. From the ancient artistry of knapped flint tools to the intricate beauty of copper and magnesium sulphate crystals, each compound tells its own unique story. In a mesmerizing light micrograph, caffeine crystals shimmer with delicate intricacy, while the process of threshing wheat showcases the compound's vital role in agriculture. The stunning EDTA crystals reveal their exquisite structure under microscopic examination, offering a glimpse into their molecular composition. Oxytocin hormone crystals take center stage in another breathtaking light micrograph, showcasing nature's ability to create intricate patterns. Meanwhile, an ant captured through scanning electron microscopy reminds us that even tiny creatures are composed of complex compounds. Artwork depicting secondary structures of proteins invites contemplation on the building blocks that make life possible. The perovskite crystal structure captivates with its geometric precision and potential for technological advancements. The Simulium damnosum, also known as the Simulian blackfly, is showcased as a remarkable example of nature's interconnectedness and reliance on compounds for survival. Light micrographs unveil oxytocin crystals once again, highlighting their ethereal beauty. Finally, a honey bee captured through scanning electron microscopy serves as a reminder that compounds shape not only our surroundings but also play an essential role in sustaining life itself. This captivating journey through various compounds offers glimpses into both natural wonders and human ingenuity. It underscores how these fundamental elements shape our world in ways both seen and unseen – from ancient tools to modern technology – reminding us that everything around us is ultimately comprised of compounds waiting to be discovered and understood.