Coffins of the Victorian period came equipped with an extensive system of the bell, which reportedly detained person can ring if you woke up Six Feet Under. These rarely work, however, because even if the person they called, no one hears. Gravediggers sometimes paid to keep watch over the graves and hear the bells to go off. This is the where the term, "Saved by the Bell" derived from.
A Victorian-era lachrymosa, also called lachrymatory, tear catchers, or tear vials. Sometimes worn on a necklace, sometimes merely held, they were used the gather the tears wept by mourners at funerals. One type of lachrymosa had a special top which allowed the tears to evaporate (signifying the time to stop mourning), others had a sealed top to allow the tears to last for a year, at which point they would be poured on the grave of the person whom the tears were wept for.