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  • A Victorian-era antique microscope slide, displaying a circular arrangement of diatoms, produced by Watson & Sons of High Holburn, London. Diatoms sourced from St Peter, Hungary. The diameter of this minature work of art is under two millimetres. Diatoms are single-celled algae whose cell walls are constructed from silica and are known as a frustule.  Diatoms are the most dominant and widespread group of eukaryotes on Earth and come under the term phytoplankton (microscopic photosynthetic plankton) and as such provide the organic biomass that most of ocean life depends on. Diatoms are major oxygen generators as well as being central to the global carbon cycle, responsible for 20% of global carbon fixation through photosynthesis. Additionally they play major roles in the cycling of other nutrients such as silicon and nitrogen. Diatoms are thought to be major contributors to crude oil deposits, following their deposition and burial on the ocean floor. Specific diatom biomarkers are currently used to locate potential sites for crude oil drilling.
    AH_Diatom Arrangement Victorian Micr...jpg
  • A circular arrangement of 226 diatoms on a Victorian-era antique microscope slide, produced by Watson & Sons of High Holburn, London. Diatoms sourced from St Peter, Hungary. Diatoms are single-celled algae whose cell walls are constructed from silica and are known as a frustule.  Diatoms are the most dominant and widespread group of eukaryotes on Earth and come under the term phytoplankton (microscopic photosynthetic plankton) and as such provide the organic biomass that most of ocean life depends on. Diatoms are major oxygen generators as well as being central to the global carbon cycle, responsible for 20% of global carbon fixation through photosynthesis. Additionally they play major roles in the cycling of other nutrients such as silicon and nitrogen. Diatoms are thought to be major contributors to crude oil deposits, following their deposition and burial on the ocean floor. Specific diatom biomarkers are currently used to locate potential sites for crude oil drilling.
    AH_Diatom Arrangement Victorian Micr...jpg
  • Diatoms arranged on a Victorian-era antique microscope slide, produced by J & T Jones. The diameter of this minature work of art is under two millimetres. Diatoms are single-celled algae whose cell walls are constructed from silica and are known as a frustule.  Diatoms are the most dominant and widespread group of eukaryotes on Earth and come under the term phytoplankton (microscopic photosynthetic plankton) and as such provide the organic biomass that most of ocean life depends on. Diatoms are major oxygen generators as well as being central to the global carbon cycle, responsible for 20% of global carbon fixation through photosynthesis. Additionally they play major roles in the cycling of other nutrients such as silicon and nitrogen. Diatoms are thought to be major contributors to crude oil deposits, following their deposition and burial on the ocean floor. Specific diatom biomarkers are currently used to locate potential sites for crude oil drilling.
    AH_Diatom Arrangement Victorian Micr...jpg
  • Fossil Diatoms isolated from North Sea mud, Cuxhaven, Germany. Photographed on a Victorian-era antique microscope slide, produced by Watson & Sons of High Holburn, London.Diatoms are single-celled algae whose cell walls are constructed from silica and are known as a frustule.  Diatoms are the most dominant and widespread group of eukaryotes on Earth and come under the term phytoplankton (microscopic photosynthetic plankton) and as such provide the organic biomass that most of ocean life depends on. Diatoms are major oxygen generators as well as being central to the global carbon cycle, responsible for 20% of global carbon fixation through photosynthesis. Additionally they play major roles in the cycling of other nutrients such as silicon and nitrogen. Diatoms are thought to be major contributors to crude oil deposits, following their deposition and burial on the ocean floor. Specific diatom biomarkers are currently used to locate potential sites for crude oil drilling.
    AH_Fossil Diatoms North Sea Mud_.jpg
  • Foramanifera arranged on an anitque microscope slide. Foraminifera are amoeba-like single-celled organisms. They secrete a tiny shell ('test'), seen here. Ocean acidification results in shells becoming less dense and smaller. This results in a decline of community abundance and species richness. Great Barrier Reef, Australia. Focus stacked.
    AH_Foramanifera from the Great Barri...jpg
  • Wing of a featherwing beetle (Ptiliidae), which are the smallest beetles in the world. The feathery wings are an adaption to the increased effective viscosity of air with such a small body size (0.3 - 4.0 millimetres). Adults and larvae are microphagous, feeding on the spores and hyphae of fungi, as well as other organic detritus. They are found in a many different habitats, including decaying wood, leaf litter and even inside ant nests. Darkfield image from antique microscope slide. Refraction interference colours can be seen in the wing hairs, which each have a fine ultrastructure that causes the effect.
    AH_Wing of a Featherwing Beetle Ptil...jpg
  • Assorted Foraminifera arranged on a microscope slide, focus-stacked light micrograph. Foraminifera are single-celled marine protozoa that typically produce a calciferous test (skeleton) that is divided into separate chambers. Image is x33 magnification when printed at 10cm wide.
    AH_Foraminifera - Light Micrograph_2.jpg
  • Lyginopteris oldhamia (orignally Lyginodendron oldhamia), a Carboniferous seed fern preservd in a coal ball. Cellular structure is still clearly visiable in this fossil dating back to the Carboniferous 359-299 million years ago. Imaged from an antique microscope slide, mounted by Norman. Focus stacked image.
    AH_Carboniferous seed fern Lyginopte...jpg
  • Diatoms on a microscope slide, arranged by the late diatomist Klaus Kemp. Diatoms are single-celled algae whose cell walls are constructed from silica and are known as a frustule. Diatoms produce approximately 25% of the oxgen we breathe as well as being central to the global carbon cycle, responsible for approximately 20% of global carbon fixation through photosynthesis. Diatoms are thought to be major contributors to crude oil deposits, following their deposition and burial on the ocean floor. Specific diatom biomarkers are currently used to locate potential sites for crude oil drilling. Focus-stacked, inverted image. This circular composition is 0.9 mm across. Image is x67 magnification when printed at 10 cm across.
    AH_Diatoms - Light Micrograph_2.jpg
  • Trachea of a Silkworm (Bombycidae) caterpillar, imaged from an antique microscope slide. After entering through a spiracle, air moves into the trachea and then into smaller tubes called tracheoles, spreading throughout the body of the insect. In this way oxygen reaches different regions of the body. Focus-stacked image.
    AH_Silkworm Trachea Insect_6093.jpg
  • Salacine C17H20N2O3 photographed under cross polarised light. From an antique microscope slide.
    AH_Salacine_2.jpg
  • Lyginopteris oldhamia (orignally Lyginodendron oldhamia), a Carboniferous seed fern preservd in a coal ball. Cellular structure is still clearly visiable in this fossil dating back to the Carboniferous 359-299 million years ago. Imaged from an antique microscope slide, mounted by Norman. Focus stacked image.
    AH_Carboniferous seed fern Lyginopte...jpg
  • Diatoms on a microscope slide, arrangement by world-renowned diatomist Kalus Kemp. The diameter of this minature work of art is under two millimetres. Diatoms are single-celled algae whose cell walls are constructed from silica and are known as a frustule.  Diatoms are the most dominant and widespread group of eukaryotes on Earth and come under the term phytoplankton (microscopic photosynthetic plankton) and as such provide the organic biomass that most of ocean life depends on. Diatoms are major oxygen generators as well as being central to the global carbon cycle, responsible for 20% of global carbon fixation through photosynthesis. Additionally they play major roles in the cycling of other nutrients such as silicon and nitrogen. Diatoms are thought to be major contributors to crude oil deposits, following their deposition and burial on the ocean floor. Specific diatom biomarkers are currently used to locate potential sites for crude oil drilling.
    AH_Diatoms_8101.jpg
  • Barium Platinocyanide Ba[Pt(CN)4] photographed under cross polarised light.
    AH_Barium Platinocyanide_4349.jpg
  • A light micrograph of a Pseudoscorpion {Pseudoscorpionida} specimen under darkfield illumination. Slide speciman.
    AH_Pseudoscorpion_.jpg
  • Cave Fungus Gnat (Speolepta leptogaster) pupa. Often considered a troglobite as the larvae have not been found outside of cave-like habitats. The larva is usually found on the cave walls on a mucus-covered slide that is supported by a network of silk threads. The larva moves about this construction, gliding along the mucus with ease. The silk is covered in tiny droplets that are at times consumed by the larva, possibly as a means of consuming fungus that builds up on the droplets over time. Th ePupa can be seen suspended from the silk threads. This colony was found in a long-abandoned lead mine. Peak District National Park, Derbyshire, UK. March.
    AH_Cave Fungus Gnat Speolepta leptog...jpg
  • Cave Fungus Gnat (Speolepta leptogaster) larva. Often considered a troglobite as the larvae have not been found outside of cave-like habitats. The larva is usually found on the cave walls on a mucus-covered slide that is supported by a network of silk threads. The larva moves about this construction, gliding along the mucus with ease. The silk is covered in tiny droplets that are at times consumed by the larva, possibly as a means of consuming fungus that builds up on the droplets over time. This colony was found in a long-abandoned lead mine. Peak District National Park, Derbyshire, UK. November.
    AH_Cave Fungus Gnat Speolepta leptog...jpg