Figures 21–40

Figure 21 Electrical symbols

Figure 22 Transistors

Figure 23 Transistorized circuit

Figure 24 Logic gate

Figure 25 Logic gate

Figure 26 Logic gate

Figure 27 Object views

Figure 28 Object views

Figure 29 Object views

Figure 30 Object views

Figure 31 Sketches

Figure 32 Sketches

Figure 33 Material symbols

Figure 34 Aircraft drawing

Figure 35 Aircraft drawing

Figure 36 Aircraft drawing

Figure 37 Aircraft drawing

Figure 38 Performance chart

Figure 39 Electric wire chart

Figure 40 Cable tension chart