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Architectural drawing, Canada, 1936. This is a simple process for the reproduction of any light transmitting document. Engineers and architects used to draw their designs on cartridge paper; these were then traced by hand on to tracing paper using Indian ink, which were kept to be reproduced with the cyano-copier whenever they were needed.
Tracing paper is paper made to have low opacity, allowing light to pass through. Its origins date back to at least the 1300s, when it was used by artists of the Italian Renaissance. [ 1 ] In the 1880s, tracing paper was produced en masse, used by architects, design engineers, and artists. [ 2 ]
An equilibrium dispersion of colloidal silver with dissolved silver ions can be used to purify drinking water at sea. [3] Silver is incorporated into medical implants and devices such as catheters. Surfacine (silver iodide) is a relatively new antimicrobial for application to surfaces. Silver-impregnated wound dressings have proven especially ...
The tracing paper drawing is placed on top of the sensitized paper, and both are clamped under glass, in a daylight exposure frame, which is similar to a picture frame. The frame is put out into daylight, requiring a minute or two under a bright sun, or about ten minutes under an overcast sky to complete the exposure.
A US defense agent scanning in architectural documents. Architectural reprography, the reprography of architectural drawings, covers a variety of technologies, media, and supports typically used to make multiple copies of original technical drawings and related records created by architects, landscape architects, engineers, surveyors, mapmakers and other professionals in building and ...
However, there has been a simultaneous revival in the fortunes of old-style hand-forged ironmongery, with strong interest in the authentic restoration of period homes leading to demand for items such as traditional iron door handles, door knobs, door knockers, letter plates, locks, hinges, hooks, cabinet fittings and window furniture. There has ...
What you need to know to keep your cooktop in the best shape.
Architectural ironmongery includes door handles, closers, locks, cylinder pulls and hinges (door furniture), window fittings, cupboard fittings, iron railings, handrails, balustrades, switches and sockets. The term is sometimes used to distinguish between these items and retail of consumer goods sold in ironmongers' shops or hardware stores.