Ward, Lock & Co

22 plates

• Stalactite Cavern 1870 – 1900
• Artificial Flower Coated with Phosphorescent Powder, Exposed to the Light of Magnesium Wire 1870 – 1900
• Phosphorescent Flower Emitting Light in a Dark Room 1870 – 1900
• Experiment of Magic Fish Set in Motion by Electricity 1870 – 1900
• Casting Plate-glass 1870 – 1900
• Medico-galvanic Battery 1870 – 1900
• Telegraph Wires and Insulator 1870 – 1900
• Passage of current in needle telegraph system 1870 – 1900
• Passage of current between London and York 1870 – 1900
• Sulphur [Sulfur] Furnace 1870 – 1900
• The Needle Telegraph 1870 – 1900
• Seltzer-water Manufactory 1870 – 1900
• Dial Telegraph Receiver 1870 – 1900
• Dial Telegraph Manipulator 1870 – 1900
• Handles and Needles of Telegraph 1870 – 1900
• Experiment of Instantaneous Crystallization 1870 – 1900
• Snow Crystals 1870 – 1900
• Soda-water Apparatus 1870 – 1900
• Voltaic Pile 1870 – 1900
• Galvanometer 1870 – 1900
• Horse-shoe Magnets 1870 – 1900
• Battery in Case 1870 – 1900