27. Name the different parts which comprise a telephone set.
28. What is a magneto telephone?
29. Make diagram of the circuit of a series magneto set with receiver on the hook and explain how the different currents are flowing.
30. Show diagram of the Stromberg-Carlson magneto desk telephone circuit and describe its working.
31. Give sketch of the Stromberg-Carlson common-battery wall set circuit.
32. Describe briefly the microtelephone set.
33. Make sketch of the Monarch common-battery wall set.
REVIEW QUESTIONS
ON THE SUBJECT OF TELEPHONY
PAGES 227—286