Angelo Lerro hated the thought of a body mouldering in a traditional casket, so in 1910 he offered this tidy alternative: The body is embalmed and arranged in a natural posture in a hermetically sealed glass bell filled with a preservative gas. This way the survivors can view the deceased without distress, and entire graveyards can be filled with sealed bells to keep soil and watercourses clean. (I suppose it will also keep down the vampire population.)