Danielle and Dave demonstrate the speaking tube connecting the Breakfast Room to a servant area of the historic house. #Museum30 Day 18: #Sound | By Glanmore National Historic Site | Facebook
Very Rare Victorian Speaking Tube or Voicepipes System Complete Rosewood Brass Intercom – Horton Antiques
![200+ Speaking Tube Stock Photos, Pictures & Royalty-Free Images - iStock | Megaphone, Voice pipe, Public speaker 200+ Speaking Tube Stock Photos, Pictures & Royalty-Free Images - iStock | Megaphone, Voice pipe, Public speaker](https://media.istockphoto.com/id/1033633364/photo/angry-woman-yelling-into-a-handheld-megaphone.jpg?s=612x612&w=0&k=20&c=9gWhRhXG9Um4pJInZ1rzaLtQaEMbdZzzahs3bVLMBTc=)