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Margaret E. Knight was born in York, Maine on February 14, 1838, to Hannah Teal and James Knight. [4] As a little girl, “Mattie,” as her parents and friends nicknamed her, preferred to play with woodworking tools instead of dolls, stating that “the only things [she] wanted were a jack knife, a gimlet, and pieces of wood.” [5] She was known as a child for her kites and sleds.
Ferrocement or ferro-cement [1] is a system of construction using reinforced mortar [2] or plaster (lime or cement, sand, and water) applied over an "armature" of metal mesh, woven, expanded metal, or metal-fibers, and closely spaced thin steel rods such as rebar. The metal commonly used is iron or some type of steel, and the mesh is made with ...
Kraft paper bags Bag of sugar Traditional paper bags made from reused newspaper in India. A paper bag is a bag made of paper, usually kraft paper. Paper bags can be made either with virgin or recycled fibres to meet customers' demands. Paper bags are commonly used as shopping carrier bags and for packaging of some consumer goods. They carry a ...
1868 Paper bag. Two paper bags. A bag is a non-rigid or semi-rigid container usually made of paper which is used to hold items or packages. In 1868, Margaret E. Knight while living in Springfield, Massachusetts invented a machine that folded and glued paper to form the brown paper bags familiar to what shoppers know and use today. [178] 1868 ...
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The paper used in papercrete can come from a variety of sources, including newspaper, junk mail, magazines, books. A mixer is used to pulp the mix before this is combined with cement or clay. Depending on the type of mixer, the paper may need to be soaked in water beforehand.
Reinforced concrete, also called ferroconcrete, is a composite material in which concrete's relatively low tensile strength and ductility are compensated for by the inclusion of reinforcement having higher tensile strength or ductility.
Two engineers in Spain whom Waller met in the 1920s, adopted his techniques, building an airport, farms, and villas to a high standard. The majority of the projects Waller built in Ireland, such as garages and farms, have since been demolished, but one surviving work is his whiskey store at Locke's Distillery, Kilbeggan, County Westmeath. [1]