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The Protector Palm Pistol is a small revolver designed to be concealed in the palm of the hand. It was unique in that the revolver was clasped in a fist with the barrel protruding between two fingers and the entire handgun was squeezed in order to fire a round. The design was meant to resemble a pocket watch to the extent of being carried on a ...
Fire pistons, or "fire syringes" as they were called then, enjoyed a brief period of popularity in parts of Europe during the early nineteenth century, until being displaced by the friction match invented in 1826. [17] In the US, descriptions have been published for many years. [18] [19] [20]
Some selective fire weapons utilize burst fire mechanisms to limit the maximum or total number of shots fired automatically in this mode. The most common limits are two or three rounds per pull of the trigger. Selector: The part of a selective fire weapon that allows the user to choose their desired mode of firing.
The primary functions of a fireback are to protect the wall at the back of the fireplace and radiate heat from the fire into the room. The protection was especially important where the wall was constructed of insubstantial material such as daub (a mud and straw mixture coating interwoven wooden wattles), brick or soft stone.
Back burning or a back fire is the term given to the process of lighting vegetation in such a way that it has to burn against the prevailing wind. This produces a slower moving and more controllable fire. Controlled burns utilize back burning during planned fire events to create a "black line" where fire cannot burn through. Back burning or ...
A fire is contained in a firebox or fire pit; a chimney or other flue allows exhaust gas to escape. A fireplace may have the following: a foundation, a hearth, a firebox, a mantel , a chimney crane (used in kitchen and laundry fireplaces), a grate, a lintel , a lintel bar, an overmantel , a damper , a smoke chamber, a throat, a flue, and a ...
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Also called a type-six engine. A small fire truck outfitted for wildland firefighting. bump up To move to another location. Can be used in many contexts, from moving to another location on a single fireline to an entire crew moving to another fire. Bump back means to return to a previous location. In the "bump" system of fireline construction ...