1. ‘The plate was first coated with Collodion, a toxic and inflammable mixture that could be bought from druggists since in its simple state it was used to dress wounds.’ ‘Frederick Scott Archer, an English sculptor, discovered that light-sensitive silver salts could be mixed with Collodion, a sticky liquid that rapidly hardens and which had

2. ‘The plate was first coated with Collodion, a toxic and inflammable mixture that could be bought from druggists since in its simple state it was used to dress wounds.’ ‘Frederick Scott Archer, an English sculptor, discovered that light-sensitive silver salts could be mixed with Collodion, a sticky liquid that rapidly hardens and which had