3 types of daguerreotype: the one from Daguerre (iodine+mercurial development), the accelerated (iodine+bromine+mercurial development) and Becquerel development. Ungilded.
3 types of daguerreotype: the one from Daguerre (iodine+mercurial development), the accelerated (iodine+bromine+mercurial development) and Becquerel development. Ungilded.