The edible frog with tadpole, tree frog with tadpole and horned frog. Coloured engraving by J. W. Lowry after C. Bone. https://www.rawpixel.com/image/13967345/image-cartoon-tree-animalFree Image from public domain licenseTen insects, including the earwig, cockroach, grasshopper, praying mantis, cricket and mole cricket. Coloured engraving by… https://www.rawpixel.com/image/13960225/image-butterfly-cartoon-animalFree Image from public domain license New index geological map of the British Isles, and adjacent coast of France constructed from published… https://www.rawpixel.com/image/8905675/image-vintage-public-domain-notesFree Image from public domain licenseClocks: various types of clock mechanism. Engraving by J. W. Lowry. https://www.rawpixel.com/image/13967459/clocks-various-types-clock-mechanism-engraving-lowryFree Image from public domain licenseA tiger hunt in a tropical forest with the hunting party riding animals. Etching by J. W. Lowry after W. Daniell. https://www.rawpixel.com/image/13967836/image-horse-cartoon-plantFree Image from public domain licenseMachinery: a double-action steam hammer. Engraving by J. W. Lowry. https://www.rawpixel.com/image/13959771/machinery-double-action-steam-hammer-engraving-lowryFree Image from public domain licenseElectricity: seventeen figures showing apparatus related to galvanism, electro-magnetism, magneto-electricity and thermo… https://www.rawpixel.com/image/13959555/image-paper-pattern-public-domainFree Image from public domain licenseEngineering: side elevation of the Bramah lifting jib. Engraving by W. Lowry after J. Farey. https://www.rawpixel.com/image/13960862/image-cross-public-domain-wallFree Image from public domain licenseHydraulics: section and details of the Bramah hydrostatic press. Engraving by W. Lowry after J. Farey. https://www.rawpixel.com/image/14016490/image-paper-technology-waterFree Image from public domain licenseMachinery: a pile driver, a fire engine, and a steam engine. Engraving by J. W. Lowry after P. Barlow. https://www.rawpixel.com/image/13997029/image-paper-steam-crossFree Image from public domain licenseTextiles: a belt-driven version of Crompton's mule inside an iron-framed spinning shed, workers setting machines and… https://www.rawpixel.com/image/14018191/image-person-technology-clothingFree Image from public domain licenseCoinage: elevation of a coin press. Engraving by J. W. Lowry after E. S. Gibson. https://www.rawpixel.com/image/13988437/image-cartoon-person-technologyFree Image from public domain licenseEngineering: side elevation of the Bramah planing machine. Engraving by W. Lowry, 1814, after J. Farey. https://www.rawpixel.com/image/13977036/image-paper-cartoon-patternFree Image from public domain licenseEngineering: cross section of the Bramah planing machine. Engraving by Lowry, 1814, after J. Farey. https://www.rawpixel.com/image/13994090/image-paper-cross-technologyFree Image from public domain licenseMeteorology: types of cloud formations, and a waterspout (bottom). Engraving by J.W. Lowry. https://www.rawpixel.com/image/14004033/image-cloud-person-artFree Image from public domain licenseTextiles: a belt-driven loom. Engraving by J. W. Lowry, 1834, after T. Allom. https://www.rawpixel.com/image/14015600/textiles-belt-driven-loom-engraving-lowry-1834-after-allomFree Image from public domain licenseTextiles: a version of Crompton's mule. Engraving by J. W. Lowry, 1834, after T. Allom. https://www.rawpixel.com/image/13991288/image-paper-pattern-public-domainFree Image from public domain licenseHydraulics: section and details of the Bramah hydrostatic press. Engraving by W. Lowry after J. Farey. https://www.rawpixel.com/image/13979541/image-paper-technology-waterFree Image from public domain license