photostat


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photostat

(fō`təstăt'), reproduction of any printed or simple black-and-white material, such as drawings or manuscripts, made by the Photostat, a photographic camera. While slower and more expensive than xerographyxerography
, also called electrophotography, method of dry photocopying in which the image is transferred by using the attractive forces of electric charges. A beam of light, usually from a laser, is made to strike the original material, e.g., a white page with black lettering.
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, the process is still used where a high degree of resolution is desired, as in publishing.

Photostat

 

a device used to make photographic copies of two-dimensional originals—blueprints, drawings, and similar documents; it consists of a camera, lighting fixtures, and attachments for holding the original. A Photostat is capable of producing enlarged, reduced, or identical copies on roll photographic paper (ordinary or reversal). Photostats are usually produced in unit with devices for the automatic chemical processing of the photocopies.

References in periodicals archive ?
Under this arrangement, one packet each of Rs 5 and Rs 10 denomination notes is being provided to every person against presentation of original CNIC and its Photostat copy.
Chairman Abdul Qadir Patel said that any NIC Photostat should not be accepted without the signature of the concerning persons.
Photostat copy of page of machine readable passport bearing photograph is made mandatory to be pasted on form.
Tenders are invited for Providing photostat and spirial binding service
Tenders are invited for Enquiry For Supply Of Photostat Paper
Tenders are invited for supply of toner cartridge for canon 2318/2320 photostat machine at beml, palakkad complex
Limited Tenders are invited for Procurement Of Photostat Paper Various Size Jk Easy Copier