How to Make A Telegraph

1. How to Make A Telegraph Exploring the Magic of Electricity

2. Miscellaneous Parts Alligator Clips Pan Head Screws ¼” Hex Bolt Machine Bolt Washers Wood Screws

3. Parts Enamel Coated Magnet Wire 20 gauge Bell Wire (solid) 18 gauge Sheet Metal Strap

4. Framework Switch Block 2 ½” x 4 ½” x ¾” Sounder Arm 7 ½” x ¾” x 5/8” ¼” Dowel Rod

5. Telegraph Frame 3 ¾” x 6 ¾” x ¾” 7/8” x 3 1/8” – cut out 3 ¾” x 4 ½” x ¾” 3 ¾” x 4 ½” x ¾” 3 ¾” x ¾” x ¾” ¼” Hole 2 ¼” x 2” x ¾” 8 - 1 ½’ wood screws 3 ¾” x 6 ¾” x ¾”

6. 6 volt lantern battery

7. Electrical Tape

8. Making Electro Magnet STEP 1: Put large washer on hex bolt

9. STEP 2: Wrap hex bolt with electrical tape Leave ½” unwrapped at bottom

11. STEP 3: Wind magnet wire around bolt

13. Keep windings neat, tight 5-6 layers of magnet wire

14. STEP 4: Sandpaper end of magnet wire (sand away ½” enamel)

16. STEP 5: Screw bolt in top of framework

17. Finished Electro magnet

18. Making Telegraph Switch

19. STEP 1: Cut two pieces of black bell wire, equal lengths

20. STEP 2: Strip wire ½”

22. STEP 3: Make a hook in wire

24. STEP 4: Fasten wire and strap metal to wood

25. STEP 5: Screw into place

26. STEP 6: Fasten bell wire at other end of switch block

27. STEP 7: Screw in place

28. Completed Telegraph Switch

29. Attaching alligator clip STEP 1: Insert bell wire into alligator clip

30. STEP 2: Wrap bell wire around screw

31. STEP 3: Tighten screw on alligator clip

32. STEP 4: Add alligator clips to both bell wires

33. Attaching Electro Magnet to Telegraph switch STEP 1: Fasten magnet wire, bell wire to framework

34. STEP 2: Screw in place

35. STEP 3: Fasten magnet wire, bell wire to framework

36. Completed wiring to telegraph switch

37. Completed Electro magnet wiring

38. Making Sounder Arm 7 ½” x ¾” x 5/8”

39. STEP 1: Screw in bolt

40. STEP 2: Insert sounder arm into framework

41. STEP 3: Insert dowel rod into framework

42. Completed telegraph sounder

43. Place top on telegraph sounder

44. Hinge top to telegraph sounder Hinge 1 ½ x 1 ½”

45. Leave 1/8” gap between electro magnet and bolt

46. Completed Telegraph