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Barbed wire - Wikipedia ... Barbed wire
The 1915 textbook Practical Electric Wiring describes the construction of the Western Union splice; short tie and long tie. The short tie splice has it being formed after stripping the insulation from a pair of wires for several inches, each, crossing the wires left over right as shown in figure part A; then, a hooked cross (figure part B) is formed holding the crossing point of the two wires ...
Patent drawing for Joseph F. Glidden's Improvement to barbed wire. Glidden began work on ways to make a useful barbed wire to fence cattle in 1873. He made his best design of barbed wire by using a coffee mill to create the barbs. Glidden placed the barbs along a wire and then twisted another wire around it to keep the barbs in place, in a ...
Wiring party. Wiring parties, (or wiring sappers, cutters), were used during World War I on the Western Front as an offensive countermeasure against the enemy’s barbed wire obstacles. Though hazardous and stressful duty, work was done at night to repair, improve, and rebuild their own wire defences, while also sabotaging and cutting the enemy's.
Sophie Ann Brown. . ( m. 1847) . Signature. Jacob Haish (March 9, 1826 – February 19, 1926) was one of the first inventors of barbed wire. His type of barbed wire was in direct competition with the other barbed wire manufacturers in DeKalb, Illinois. He was a known carpenter and architect in DeKalb County and designed several prominent DeKalb ...
Concertina wire - Wikipedia ... Concertina wire
This construction technique is one of the most versatile natural building methods and can be used for benches, freestanding walls, emergency shelters, temporary or permanent housing, or barns and commercial buildings. Earthbag is frequently chosen for many small-to-medium-sized institutional structures in the developing world.
Abatis - Wikipedia ... Abatis