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2. Drafting machine - Wikipedia

   en.wikipedia.org/wiki/Drafting_machine

   A drafting machine is a tool used in technical drawing, consisting of a pair of scales mounted to form a right angle on an articulated protractor head that allows an angular rotation. [ 1 ] [ 2 ] The protractor head (two scales and protractor mechanism) is able to move freely across the surface of the drawing board , sliding on two guides ...

3. Technical drawing tool - Wikipedia

   en.wikipedia.org/wiki/Technical_drawing_tool

   A drafting machine allows easy drawing of parallel lines over the paper. The adjustable angle between the rulers allows the lines to be drawn in varying accurate angles. Rulers may also be used as a support for separate special rulers and letter templates. The rules are replaceable and they can be for example scale-rules.

4. Technical drawing - Wikipedia

   en.wikipedia.org/wiki/Technical_drawing

   Technical drawing, drafting or drawing, is the act and discipline of composing drawings that visually communicate how something functions or is constructed. Technical drawing is essential for communicating ideas in industry and engineering .

5. Drafter - Wikipedia

   en.wikipedia.org/wiki/Drafter

   Traditional drafter at work A drafter in Portugal in the 1970s, using a drafting machine. A drafter (also draughtsman / draughtswoman in British and Commonwealth English, draftsman / draftswoman, drafting technician, or CAD technician in American and Canadian English) is an engineering technician who makes detailed technical drawings or CAD designs for machinery, buildings, electronics ...

6. Engineering drawing - Wikipedia

   en.wikipedia.org/wiki/Engineering_drawing

   Although mostly consisting of pictographic representations, abbreviations and symbols are used for brevity and additional textual explanations may also be provided to convey the necessary information. The process of producing engineering drawings is often referred to as technical drawing or drafting (draughting). [1]

7. Computer-aided design - Wikipedia

   en.wikipedia.org/wiki/Computer-aided_design

   [1]: 4 Designs made through CAD software help protect products and inventions when used in patent applications. CAD output is often in the form of electronic files for print, machining, or other manufacturing operations. The terms computer-aided drafting (CAD) and computer-aided design and drafting (CADD) are also used. [2]

8. Keuffel and Esser - Wikipedia

   en.wikipedia.org/wiki/Keuffel_and_Esser

   The company's showroom and office building at 127 Fulton Street in the Financial District of Manhattan K&E manufacturing complex in Hoboken, New Jersey. The Keuffel and Esser Co., also known as K&E, was an American drafting instrument and supplies company founded in 1867 by German immigrants Wilhelm J. D. Keuffel and Hermann Esser.

9. History of numerical control - Wikipedia

   en.wikipedia.org/wiki/History_of_numerical_control

   The automation of machine tool control began in the 19th century with cams that "played" a machine tool in the way that cams had long been playing musical boxes or operating elaborate cuckoo clocks. Thomas Blanchard built his gun-copying lathes (1820s–30s), and the work of people such as Christopher Miner Spencer developed the turret lathe ...