History[ edit ] The first pantograph was constructed in  by Christoph Scheiner , who used the device to copy and scale diagrams, but he wrote about the invention over 27 years later, in"Pantographice" Rome By changing the positions of the arms in the linkage between the pointer arm and drawing arm, the scale of the image produced can be changed. Diagram illustrating the principles used by William Wallace"s eidograph In , Professor William Wallace — invented the eidograph to improve upon the practical utility of the pantograph. Drafting[ edit ] The original use of the pantograph was for copying and scaling line drawings. Modern versions are sold as toys. Sculpture and minting[ edit ] In sculpture, a three-dimensional version of the pantograph was used,  usually a large boom connected to a fixed point at one end, bearing two rotating pointing needles at arbitrary points along this boom.
Link to a PDF file of the light plot and a page of photographs from the show 2. What is the difference between a Broadway plot and a study plot? A Broadway plot shows only the location, unit number, and type of light. In the commercial New York theatre, the light plot is the document used by the electrician to hang the show. All he needs to know is what type of light to hang and where to hang it. A study plot, generally used in the educational theatre, shows the color, purpose, and control channel, for each unit.
Apr 01, · Instrumentation Drawing (ISA).. knowledge in basic instrumentation fundamentals will help instrument technician in doing an effective instrumentation works. Other are as follows: 1. Location drawing 2. Hook Up drawing 3. Block Flow Process diagram 4. Block Flow Plant diagram 5. Process Flow diagram. Next.. Advertisements.
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Instrumentation, Control, Safety Instrumented Systems and Fire and Gas Design Engineering
Play media Video of a s dotted-line drawing pen Pencils in use are usually mechanical pencils with a standard lead thickness. The usual line widths are 0. Hardness varies usually from HB to 2H. Softer lead gives a better contrast, but harder lead gives a more accurate line. Bad contrast of the lead line in general is problematic when photocopying, but new scanning copy techniques have improved the final result.
Paper or plastic surfaces require their own lead types.
Jul 27, · Mounting Hookup The above are further classified based as below A. Tube Fiting A mechanical hookup drawing is used to show how an instrument is to be mounted on the plant. For example, there are a number of ways of attaching a pressure gauge to a pipeline; some of them are correct and some are incorrect depending upon what is in the pipe.
This diagram is very useful in locating actual locations of instruments in the field. A diagram or drawing number. The revisions section provides information on any changes that had been made to the original drawing. In the most cases, the information will give the date of the revision and the description of the changes. The notes section may include two types of note 1.
General notes contain information that applies to the entire diagram. In the example above, notes are the general notes. Local notes contain information about an instrument or area of the instrument rather than the whole system.
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Hook-up drawing indicates tubing slopes, position of instrument in reference to process tapping point, scope break between instrument vs piping. Hook-up drawing also gives information the requirement of bulk material for each installation. It also details its specification size, type and material and the quantity. There are two types of hook-up drawing: Process Hook-Up This hook-up drawing contains typical installations for instrument which connects to the process Pneumatic Hook-Up This hook-up drawing contains typical installations for instrument which requires instrument air such as control valve, actuated valve Reference drawing:
Because of the various uses of these waters, microbial requirements are not included in these monographs since this would unnecessarily burden some users with meaningless and/or inconsequential or inappropriate requirements, e.g. water used for many laboratory analyses.
Idiophones Idiophones form a diverse and disparate group. Concussion instruments, consisting of two similar components struck together, include clappers, concussion stones, castanets , and cymbals. Bronze Egyptian sistrum, dated after bc crossbars and jingles are modern ; in the British Museum, London. Membranophones Musical instruments in which the sound-producing medium is a vibrating membrane fall into four main groups: Strictly speaking, mirlitons are voice modifiers rather than true musical instruments inasmuch as they have no pitch of their own.
Kettledrums and tubular drums occur in both tunable and nontunable forms; friction drums and mirlitons are not tunable. The membranes of the first two groups are either glued, nailed, lapped, or laced to the body, or shell; if they are glued or nailed, the pitch can be modified by exposure to heat. The membranes of such instruments and of friction drums are set in vibration by percussion, while those of mirlitons vibrate by impact of sound waves.
In all groups the shell plays a subordinate acoustical part, acting as resonator only—the greater the diameter of a head, the deeper its sound; and the greater its tension, the higher the pitch. In Western culture the only drums tuned to a definite pitch are kettledrums the orchestral timpani.
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Hand tools manufactured from stainless steel offer the most cost effective solution for maintenance of process equipment inside a cleanroom or other critical environment. While your initial investment will be higher with stainless steel tools than with regular carbon steel tools, your ROI Return On Investment is quickly achieved in the short-term and easily maximized in the long-term. Because stainless steel is an homogenous material, there is no plating or coating of any kind to peel, break, or chip.
For this reason, stainless tools will withstand the autoclave process many thousands of times. The same cannot be said about a standard carbon steel tool which would deteriorate under that same critical process, quickly rendering it unsuitable for any sterile application. In fact, the number of times a carbon steel tool can be effectively sterilized can usually be counted on both hands. Most people prefer to add up a different set of digits: Steritool is a proud sponsor of a series of continuing education courses developed by The University of Tennessee College of Pharmacy specifically for training in the preparation of parenteral products.
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Easy Process and Instrumentation Drawing Software
February 17, , I"m after some advice, but first I"ll share what experience I"ve had on the ABS system which may be of help to someone this is the early ABS system up to All the problems I"ve had are to do with the modulator, there are a number of parts to it that will cause a failure if they malfunction.
Hook up drawing provides a detailed description of the installation of the the tapping point in the process line up to the sensing instrument. Hook-up drawing is a detailed drawing showing typical installation of instrument in a correct manner so that instrument operates properly (gives accurate.
History[ edit ] The first pantograph was constructed in  by Christoph Scheiner , who used the device to copy and scale diagrams, but he wrote about the invention over 27 years later, in"Pantographice" Rome By changing the positions of the arms in the linkage between the pointer arm and drawing arm, the scale of the image produced can be changed.
Diagram illustrating the principles used by William Wallace"s eidograph In , Professor William Wallace — invented the eidograph to improve upon the practical utility of the pantograph. Drafting[ edit ] The original use of the pantograph was for copying and scaling line drawings. Modern versions are sold as toys. By adjusting the needles different enlargement or reduction ratios can be achieved.
This device, now largely overtaken by computer guided router systems that scan a model and can produce it in a variety of materials and in any desired size,  was invented by inventor and steam pioneer James Watt — and perfected by Benjamin Cheverton — in Cheverton"s machine was fitted with a rotating cutting bit to carve reduced versions of well-known sculptures.
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It was queer state of sensations The effect of the monstrous sight was indescribable. It was, very clearly, the blasphemous city of the mirage.
Instrument hook-up solutions from parker legris and full set of a detailed drawing - tutorial will work; control. Hence you can substitute the jobmaster process line has 35 years. It .
Examples of hook in a Sentence Noun She hit a hook into the left rough. He threw a right hook to his opponent"s body. Verb The train cars were hooked together. My sweater was hooked on a branch. I hooked the door shut. The dress hooks in the back. The two parts hooked together. He hooked a large fish. He hooked his arm around my neck. She hooked her fingers around the doorknob.
He hooked his thumb through a loop of his pants.