Map illustrating the Wachusett, Sudbury and Cochituate watersheds with the reservoirs, aqueducts and pipe pines that supply water to Boston, Massachusetts. Caption reads "This is one of the greatest water systems of the world. It supplies water to more than a million people." Also includes a graph illustrating the elevation of the water sources and infrastructure.

Illustration found within junior high school/high school-level textbook on science with topics including air; food; water; weather; fire; heating, lighting and electricity within homes; clothing and microscopic organisms. Begins with a foreword to the teacher with subsequent content including scientific projects and experiments. End of book contains a bibliography of children's books on science as well as as list of equipment needed for text teachings. Scientific diagrams and illustrations can be found throughout the text including printed photographic reproductions of students conducting experiments and lab equipment setups for experiments.