No. 39. One bent hairpin (H P, [Fig. 32]).

No. 40. Bottom of flat box (B F B, [Fig. 32]), 3⅝ in. in diameter.

No. 41. Top of flat box (T F B, [Fig. 33]).

No. 42. One electrophorus cover (E C, [Fig. 34]), 3⅝ in. in diameter. This has rounded edges, and a small tube is riveted into the top of it to hold the insulating handle, E R.

No. 43. One insulating table (I T, [Fig. 32]). This is made the same as No. 42, and is supported by No. 29.

No. 44. One insulated copper wire, 2½ feet long.

No. 45. One rubber band (R B, [Fig. 33]).

No. 46. Six bent wire clamps (B C, [Fig. 37]).

No. 47. One tin box conductor (T B, [Fig. 42]). This cylindrical conductor is about the size of an ordinary baking powder box.

No. 48. One hairpin discharger for the condenser.