LZT1033848: Foucault's Switch / Bridgeman Images

LZT1033871: Safety Valve and Whistle / Bridgeman Images

LZT1033874: Tender / Bridgeman Images

LZT1033913: Portable Steam Engine or Hermann-Lachapelle's Industrial Traction Engine / Bridgeman Images

LZT1033932: Hauksbee's First Electric Machine / Bridgeman Images

LZT1033948: Otto Von Guericke Conducts the Experiment of the Magdeburg Hemispheres with 24 Horses / Bridgeman Images

LZT1033960: Newcomen Steam Engine Used in London in the Eighteenth Century for the Pumping Up of Water / Bridgeman Images

LZT1033967: Crank for the Transformation of Motion of the Piston / Bridgeman Images

LZT1033973: Leupold's Machine / Bridgeman Images

LZT1033996: Transformation of Vertical Movement of the Piston Rod of a Machine Without a Condenser in a Circular Motion Using an Articulated Connecting Rod--Transformation of the Vertical Movement of a Piston Rod of a Machine Without a Condenser in a Circular Motion Using an Articulated Connecting Rod / Bridgeman Images

LZT1034004: Henri Victor Regnault / Bridgeman Images

LZT1034035: Charles Dallery Has His Propeller Steamboat Cut to Pieces / Bridgeman Images

LZT1034049: A Coal Mine in Newcastle with Wagons Drawn by Horses on Wooden Rails / Bridgeman Images

LZT1034053: Alexandre De Humboldt / Bridgeman Images

LZT1032818: Veronica Polita Grey Procumbent Speedwell / Bridgeman Images

LZT1034068: Jöns Jacob Berzélius / Bridgeman Images

LZT1032836: Veronica Beccabunga Brooklime / Bridgeman Images

LZT1032851: Scrophularia Nodosa Knotty-Rooted Figwort / Bridgeman Images

LZT1032857: Thesium Humifusum Bastard Toadflax / Bridgeman Images

LZT1032863: Euphorbia Helioscopia Sun Spurge / Bridgeman Images

LZT1032878: Bromus Mollis Var. Ferronii Soft Brome-Grass Var. Y. / Bridgeman Images

LZT1032884: Festuca Elatior Var. Genuina Tall Fescue-Grass Var. A. / Bridgeman Images

LZT1032887: Bromus Giganteus Var. Genuinus Tall Brome-Grass Var. A. / Bridgeman Images

LZT1032890: Bromus Maximus Great Brome-Grass / Bridgeman Images

LZT1032893: Cynosurus Echinatus Rough Dog's-Tail-Grass / Bridgeman Images

LZT1032896: Festuca Ambigua Ambiguous Fescue-Grass / Bridgeman Images

LZT1032899: Festuca Ovina Vivipara Sheep's Fescue-Grass Viviparous Form / Bridgeman Images

LZT1032926: Sedum Fabaria Narrow-Leaved Orpine / Bridgeman Images

LZT1032932: Sedum Sexangulare Insipid Stone-Crop / Bridgeman Images

LZT1032935: Franco-Prussian War: Attack on the Spicheren Mountain Led by General Francois on 6 August 1870, France / Bridgeman Images

LZT1032977: Melica Uniflora Wood Melic-Grass / Bridgeman Images

LZT1032980: Glyceria Eu-Fluitans Floating Meadow-Grass / Bridgeman Images

LZT1032986: Aira Caryophyllea Silvery Hair-Grass / Bridgeman Images

LZT1033010: Agrostis Vulgaris Common Bent-Grass / Bridgeman Images

LZT1033028: Filago Gallica Narrow-Leaved Cudweed / Bridgeman Images

LZT1033037: Senecio Sylvaticus Var. Genuinus Mountain Groundsel Var. A. / Bridgeman Images