mail slot noun

mail slot   Dan mailslot or mail slot

MAIL SLOT BASKET CATCHER INCLUDED: Our D30-S door mailbox slot comes with an extra-large mail catch, keeping your important letters from scattering on the floor

Mail Slots Mail slots are constructed of solid brass or stainless steel material and available in two popular sizes Interior & exterior sides of the mail Metal Double sided spring door mail slot approx 13 x

slot machines on cruise ships IVES high quality door mail slots are offered for a building's external use, offered in many finishes to match the surrounding door hardware of the opening  Can someone please show me what the mailslot in the hp 18 autoloader is used for?