Holtzer-Cabot button desk stand

This extremely rare Holtzer-Cabot 8 button desk stand came from a New York area theater. On the base are extensions for "stage", "orchestra", "manager's office", "booth" etc. The attachment on the shaft is a pencil holder. The back cup of the transmitter is marked and it has a Holtzer-Cabot outside terminal receiver. A wonderful, original telephone from about 1910. Scan is from a Holtzer-Cabot catalog in 1908.