The British Journal of Photography, No. 613, Vol. XIX, February 2, 1872THE BRITISH JOURNAL OF PHOTOGRAPHY.Reading editionChapter navigation13 reading sectionsGo to chapterChoose a chapter…THE BRITISH JOURNAL OF PHOTOGRAPHY.A CHARACTER OF CERTAIN PRESERVATIVE FILMS.A SHELLAC VARNISH.BLISTERING OF ALBUMEN SURFACES.COLLODIO-BROMIDE.THE FADING OF MERCURY-TONED TRANSPARENCIES.NOTES ON PASSING EVENTS. By a Peripatetic Photographer.TRANSALPINE PHOTOGRAPHY.THE EARS AND THUMBS OF CONTENTION.Meetings of Societies.Correspondence.ANSWERS TO CORRESPONDENTS.Introductory materialBeginning of this editionNext chapter →A CHARACTER OF CERTAIN PRESERVATIVE FILMS.All chapters and sections (13)Other sectionsTHE BRITISH JOURNAL OF PHOTOGRAPHY.A CHARACTER OF CERTAIN PRESERVATIVE FILMS.A SHELLAC VARNISH.BLISTERING OF ALBUMEN SURFACES.COLLODIO-BROMIDE.THE FADING OF MERCURY-TONED TRANSPARENCIES.NOTES ON PASSING EVENTS. By a Peripatetic Photographer.TRANSALPINE PHOTOGRAPHY.THE EARS AND THUMBS OF CONTENTION.Meetings of Societies.Correspondence.ANSWERS TO CORRESPONDENTS.Opening pagesIntroductory materialNo. 613. Vol. XIX.—FEBRUARY 2, 1872.◇A CHARACTER OF CERTAIN PRESERVATIVE FILMS. →