Chapter 12 Images:

Figure 12.1. Figure 12.1. Mr. Grainger's "Cholera Map of the Metropolis. 18
49."

Figure 12.2. Figure 12.2. "Cholera Map of the Metropolis. 1849."

Figure 12.3. Figure 12.3. "Cholera Map of the Metropolis. 1849."

Figure 12.4. Figure 12.4.