Microphotograph
id:
microphotograph-292-7799467
title:
Microphotograph
text:
Microphotographs are photographs shrunk to microscopic scale. Microphotography is the art of making such images. Applications of microphotography include espionage such as in the Hollow Nickel Case, where they are known as microfilm. Using the daguerreotype process, John Benjamin Dancer was one of the first to produce microphotographs, in 1839.
He achieved a reduction ratio of 160:1. Dancer perfected his reduction procedures with Frederick Scott Archer's wet collodion process, developed in 1850–
brand slug:
wiki
category slug:
encyclopedia
description:
Photographic process for producing very small pictures
original url:
https://en.wikipedia.org/wiki/Microphotograph
date created:
date modified:
2023-12-06T04:35:28Z
main entity:
{"identifier":"Q3274922","url":"https://www.wikidata.org/entity/Q3274922"}
image:
{"content_url":"https://upload.wikimedia.org/wikipedia/commons/c/c9/Mental_hospital_Philadelphia_PA_micrograph_by_Langenheim_%26_Co._ca._1858.jpg","width":1024,"height":698}
fields total:
13
integrity:
15