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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.
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.
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 ...
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
The original Besser block machine is on display at the Besser Museum. Herman Besser was involved with the Alpena Portland Cement company. In 1904, his son, Jesse Besser, developed the first hand-tamp block machine. This technology ‘revolutionized the block-making industry” and the Besser Company was born.
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.
These were built-up guns with an inner A tube, encased by a second tube, encased by a full length jacket. Early guns were partially wire-wound, but later guns dispensed with the wire winding. The guns were breech loaded with two cloth bags of smokeless powder. [2] Third year type refers to the Welin breech block on this gun.
Folded foolscap was often 12 + 1 ⁄ 2 by 16 inches (317 mm × 406 mm), but smaller and larger sizes were also found. [14] Legal foolscap of 8 by 24 inches (203 mm × 610 mm) was always sold ruled and folded in half at the printers by a folding machine , resulting in a leaflet 8 by 12 inches (203 mm × 305 mm), almost the same as modern A4 ...