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A drawing of ribauldequins, as designed by Leonardo da Vinci. Organ gun in the Bellifortis treatise (written ca. 1405, illustration from Clm 30150, ca. 1430). A ribauldequin, also known as a rabauld, randy, ribault, ribaudkin, infernal machine or organ gun, was a late medieval volley gun with many small-caliber iron barrels set up parallel on a platform, in use in medieval and early modern ...
Tameo Kits – Italian 1:43 scale model manufacturer, often F1 kits. Tamiya – Japanese high quality die-cast manufacturer, more famous for plastic kits and RC cars. First 1960s exports were a range of 1:24 slot car kits. Some 1:43 scale diecast as well. Tarmac Works Model Cars – Offices are currently located in Japan and Hong Kong.
The crossbow as a weapon had been around long before Leonardo's designs. However, his designs made the weapon more advanced and why Leonardo's crossbows stands out. If a crossbow is designed with a narrower shaft and a tapered bolt, which adjusts the nocking of arrows, it greatly improves the airflow of the bow and the drag on arrows.
The concept was designed while Leonardo da Vinci was under the patronage of Ludovico Sforza in 1487. [2] Sometimes described as a prototype of modern tanks, Leonardo's armored vehicle represented a conical cover inspired by a turtle's shell. The covering was to be made of wood and reinforced with metal plates.
A stick & tissue balsa model airplane under construction, still manufactured by Guillow's. During World War II, the supply of balsa wood was diverted to the war effort for the manufacture of rafts and life jackets. Guillow's was forced to use alternative materials like cardboard or pine wood to manufacture the model kits.
Frequently cited is Leonardo da Vinci's 15th-century sketch of a mobile, protected gun-platform; the drawings show a conical, wooden shelter with apertures for cannons around the circumference. The machine was to be mounted on four wheels which would be turned by the crew through a system of hand cranks and cage (or "lantern") gears. Leonardo ...
The ASGK manage the safety approval and the SMG (Safe Model Gun) mark replaced the SM mark on the metal models to identify the models meeting the new regulation. However, the new law did not apply to modelgun made in plastics and so it also stimulated the production of more plastic modelguns by various manufacturers.
This machine will carry a ball of a talent in weight." It is worthy of remark that Leonardo da Vinci – far from claiming the merit of this invention for himself or the men of his time – attributes it to Archimedes. The weight of the cannonball is described as one talent. A Roman talent was 32.3 kilograms (71 lb), although the amount varied ...