![energy, electricity, Wagner's hammer, invented by Johann Philipp Wagner (1799 - 1879), wood engraving, late 19th century, 19th century, machine, machines, invention, inventions, electric power, magnetism, magnet, magnets, electromagnet, electromagnets ... energy, electricity, Wagner's hammer, invented by Johann Philipp Wagner (1799 - 1879), wood engraving, late 19th century, 19th century, machine, machines, invention, inventions, electric power, magnetism, magnet, magnets, electromagnet, electromagnets ...](https://c8.alamy.com/comp/DB734Y/energy-electricity-wagners-hammer-invented-by-johann-philipp-wagner-DB734Y.jpg)
energy, electricity, Wagner's hammer, invented by Johann Philipp Wagner (1799 - 1879), wood engraving, late 19th century, 19th century, machine, machines, invention, inventions, electric power, magnetism, magnet, magnets, electromagnet, electromagnets ...
![Kamil Galeev on Twitter: "As you see, the image of a guy with hammer is very common in Russian military propaganda https://t.co/UUCuipvdwl" / Twitter Kamil Galeev on Twitter: "As you see, the image of a guy with hammer is very common in Russian military propaganda https://t.co/UUCuipvdwl" / Twitter](https://pbs.twimg.com/media/FOn9RmGVgAc0XFo.jpg)