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The reduction compass or proportional dividers is a geometry tool with asymmetric-length branches to allow performing homothetic transformations, reproducing a pattern while enlarging or reducing its size and conserving angles. It was invented by Fabrizio Mordente before 1567.
Casa Loma, Toronto, Ontario, Canada Room-divider/screen, (Ethnographic Museum, Belgrade) A room divider for a conference hall. A room divider is a screen or piece of furniture placed in a way that divides a room into separate areas. [1] [2] Room dividers are used by interior designers and architects as means to divide space into separate ...
Portable partitions are a form of temporary walls which serve to divide rooms in place of permanent walls. They can be joined together section by section, or available as one unit, depending on the manufacturer. Portable walls may be fixed, or on casters for rolling, while others may be folding room dividers, inflatable, or accordion-style.
The shoji frame is a panel called a kōshi (格 （ こう ） 子 （ し ）, literally "lattice"). [15] It is assembled from interlocking laths of wood or bamboo called kumiko. [16] "
A sliding T bevel, also known as a bevel gauge or false square [1] is an adjustable gauge for setting and transferring angles. Different from the square , which is fixed and can only set a 90° angle , the sliding T bevel can set any angle and transfer it on another piece.
A drawback of a tool board is that it may occupy a large area on a wall, and that the tools can get less protection from dust. Some recommend to hang heavier tools like hammers at the bottom, [ 2 ] [ 3 ] and especially wooden tool boards may bend or break from heavy tools if the board is made of fiberboard or other weaker materials.
The sliding rails can lock in various extended positions to prevent the equipment from moving when extended out from the rack for service. The server itself might have locking pins on the sides that just drop into slots on the extended rail assembly, in a manner similar to a removable kitchen drawer.
Before the advent of the scientific pocket calculator, it was the most commonly used calculation tool in science and engineering. [3] The slide rule's ease of use, ready availability, and low cost caused its use to continue to grow through the 1950s and 1960s, even as desktop electronic computers were gradually introduced.