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Lapping machine. Lapping is a machining process in which two surfaces are rubbed together with an abrasive between them, by hand movement or using a machine. Lapping often follows other subtractive processes with more aggressive material removal as a first step, such as milling and/or grinding. Lapping can take two forms.
The first vehicle powered by wood gas was built by T.H. Parker in 1901. [2] Around 1900, many cities delivered fuel gases (centrally produced, typically from coal) to residences. Natural gas came into use only in the 1930s. Wood gas vehicles were used during World War II as a consequence of the rationing
Dodge V10 hauling hay with woodgas.Keith gasifier system Santa-Go, Kanagawa Chuo Kotsu Co., Ltd.. A wood gas generator is a gasification unit which converts timber or charcoal into wood gas, a producer gas consisting of atmospheric nitrogen, carbon monoxide, hydrogen, traces of methane, and other gases, which – after cooling and filtering – can then be used to power an internal combustion ...
Grinding machines (1 C, 12 P) S. Sharpening (13 P) Surface finishing (2 C, 10 P) Pages in category "Grinding and lapping" The following 34 pages are in this category ...
Detailed records were kept on each vehicle's whereabouts and conditions. Vehicles and spare parts collected in these parks awaited assignments to specific army units as requested. With the exception of the highest-ranking officers, no officer had his own personal car during the war. A large reception park was located in St. Nazaire.
A few obsolete Lancia 1Z/1ZM armoured cars were still in use with the Italian Royal Army during World War II. In 1940 and 1941, several vehicles served with the Royal Army during the East African Campaign. In some instances, operable machines were pressed into service by other Axis forces after the Armistice of Cassibile in September
During World War II the Japanese Navy traded a Nakajima E8N "Dave" reconnaissance seaplane (itself a multi-generational development of the Vought O2U to Germany, later seen in British markings on the German raider Orion, and some sources mention the probable dispatch of a Mitsubishi Ki-46 "Dinah", among other weapons. In the other direction:
Improvised armour added to a truck by railway shop workers for the Danish resistance movement near the end of World War II. Improvised vehicle armour is a form of vehicle armour consisting of protective materials added to a vehicle such as a car, truck, or tank in an irregular and extemporized fashion using available materials.