Printed: 2021-10-25
de Changy, Charles
Identity
Category
Person (Male)
Alternative name or descriptor
Standardized form(s) of name according to other rules
Status
- Connected
Details
Life dates
Saint-Avertin [Indre-et-Loire, F], 1817 - ?, ?
Activity
1858 - 1862 Bruxelles
François Charles Simonet, ° 22.7.1817. Civil engineer. Patent of 12.8.1858 for "a combination of reducing agents applied to photography" [protoxide sulphate of iron and copper sulphate]. Patent of 25.6.1862 for "improvements in the manufacture of photographic cameras" [bellow without interior frame], and patent relating to improvements of 15.7.1862 for "additions to the construction of photographic cameras". Patent of 15.9.1862 for "a printing frame for photographic copying". Also patents in the fields of lighting (oil or paraffin lamps, electric light) and the manufacture of inks.
François Charles Simonet, ° 22.7.1817. Civil engineer. Patent of 12.8.1858 for "a combination of reducing agents applied to photography" [protoxide sulphate of iron and copper sulphate]. Patent of 25.6.1862 for "improvements in the manufacture of photographic cameras" [bellow without interior frame], and patent relating to improvements of 15.7.1862 for "additions to the construction of photographic cameras". Patent of 15.9.1862 for "a printing frame for photographic copying". Also patents in the fields of lighting (oil or paraffin lamps, electric light) and the manufacture of inks.
Locations
1858 - 1862 Bruxelles
Exhibitions
Genres / subject matter
Techniques
Bibliography/Webography
Context
Affiliations
Management
Record source
DIRECTORY_1997#1037
Status
Level of detail
Dates of creation/revision
SFJ revised 11.10.2017