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A pallet of "8-inch" concrete blocks An interior wall of painted concrete blocks Concrete masonry blocks A building constructed with concrete masonry blocks. A concrete block, also known as a cinder block in North American English, breeze block in British English, or concrete masonry unit (CMU), or by various other terms, is a standard-size rectangular block used in building construction.
Mortier de 58 mm type 2 "Crapouillot" [2] France: World War I: 90 [3] 20 cm leLdgW Nazi Germany: World War II: 91.5: 9.15 cm leichtes Minenwerfer System Lanz German Empire: World War I 105: 10.5 cm Luftminenwerfer M15 Austria-Hungary: World War I 105: 10 cm Nebelwerfer 35 Nazi Germany: World War II: 106.7: Ordnance ML 4.2 inch Mortar United ...
Jesse Besser (1882–1970) was an inventor and manufacturer from Alpena in the U.S. state of Michigan.He is best known for inventing, and supervising a series of improvements to, a tamping machine used to rapidly press wet, flexible concrete into blocks, thereby making possible a new generation of applications in masonry construction.
Oblong blocks range considerably in width and length. The standard block in Manhattan is about 264 by 900 feet (80 m × 274 m). In Chicago , a typical city block is 330 by 660 feet (100 m × 200 m), [ 2 ] meaning that 16 east-west blocks or 8 north-south blocks measure one mile, which has been adopted by other US cities.
For use in retail stores, the EUR-6-pallet is half the size of the EUR-pallet, 600 mm × 800 mm (24 in × 31 in). [9] ISO standards have also been published for these Euro-pallet types. To accommodate EUR-pallets, there are derivative intermodal containers that are about 2 in (5 cm) wider—these are commonly known as "pallet-wide" containers ...
In England, the length and width of the common brick remained fairly constant from 1625 when the size was regulated by statute at 9 x 4 + 1 ⁄ 2 x 3 inches [45] (but see brick tax), but the depth has varied from about two inches (51 mm) or smaller in earlier times to about 2 + 1 ⁄ 2 inches (64 mm) more recently.
The dimensions of European standard gypsum blocks are: length: 666 mm, height: 500 mm. Three blocks thus make 1 m 2. Gypsum blocks vary in thickness, density and type. In the U.S. gypsum blocks were made in thicknesses of 2, 3, 4 and 6 in (51, 76, 102 and 152 mm). [2] In Europe they are available in thicknesses of 60 mm, 70 mm, 80 mm or 100 mm.
By using three blocks at a time taken from a set of 30 blocks, one may create any of the 1000 lengths from 3.000 to 3.999 mm in 0.001 mm steps (or .3000 to .3999 inches in 0.0001 inch steps). Description