Scientific diagram illustrates the percentage composition of foods including a pork chop, cod, egg, cream cheese, bean and bread. Illustrations are after the charts created by Charles Ford Langworthy of the United…

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…

Daily weather map of the United States with symbols indicating the state of weather as well as isobars and isotherms illustrated by continuous or dotted lines, respectively. Arrows denote wind direction.

Illustration…

Diagram from page 52 of the 1922 volume The Science of Common Things depicting the organs of the digestive system, including the mouth, throat, stomach, gall bladder, and spleen.

The Science of Common Things is a…

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…

Diagram from page 163 of the 1922 volume The Science of Common Things depicting how coal ignites and burns in a stove. Arrows illustrate the movement of air through the stove. The reactions between oxygen, carbon,…

Scientific diagram illustrates the percentage composition of foods including corn, potato, onion, apple, peanut butter and olive oil. Illustrations are after the charts created by Charles Ford Langworthy of the United…

Diagram from page 191 of the 1922 volume The Science of Common Things depicting the movement of warm and cool air through a home to demonstrate the functionality of a furnace. Labels indicate heating components such as…

Printed photographic reproduction illustrating two wiring plans for a doorbell: one bell and two push buttons with either button ringing the bell, the other showing two bells and two push buttons with each button…

Diagram from page 189 of the 1922 volume The Science of Common Things depicting a home heating furnace. Arrows demonstrate the flow of air through the furnace and labels indicate the components of the furnace and stages…

Junior high school or high school-aged male students gather around a teacher who is conducting a scientific experiment. Several students have their hands raised. Pennants on the wall list "Pioneer Science Club" and…

Wooden case with two steel handles on top and cabinet doors on both sides which are secured with a steel latch; on one side, case inside has a steel red shelf with seven wooden chemical containers; below the shelf is a…

Chemistry sets reached their heyday in the 1950s, but production of them began in the United States during World War I. Playing with a toy chemistry set inspired many a boy to become a chemist, and not until the late…

Green cardboard box with removable lid; bottom of box has green and red cardboard inserts for set components; top and bottom of box bottom have rows of seven green cardboard containers with removable lids; top row has…

Chemistry sets reached their heyday in the 1950s, but production of them began in the United States during World War I. Playing with a toy chemistry set inspired many a boy to become a chemist, and not until the late…

Chemistry sets reached their heyday in the 1950s, but production of them began in the United States during World War I. Playing with a toy chemistry set inspired many a boy to become a chemist, and not until the late…

Group photograph depicting members of the chemistry club at Wilson College in Chambersburg, Pennsylvania. The group consists of nine women gathered around a table while observing one member pouring an unknown substance…

Green wooden case with textured green paper surface; label on front of case features a young boy looking through a microscope and an enlarged image of a dog flea; metal latch opens double-sided interior. 16 glass test…

This kit features theatrical makeup, props, and an instruction booklet, designed for putting on magic shows and performing tricks. Aimed towards children, the set includes interlocking cardboard rings, playing cards, a…

Manual written to accompany the Chemcraft Chemical Magic Set for middle to high school-age students. Includes 58 experiments themed upon magic for users to "amaze [their] friends by producing odors, invisible inks, and…

Wooden box painted red with white speckled paint design. The case opens on a hinge to reveal nine test tubes on left containing sodium iodide solution, bleaching powder, sodium salicylate, cobalt chloride, ferric…

Cardboard pop-out modeling kit; unused.

Concerning appointment of Stodola as an Instructor at Columbia University.

A wooden case contains twenty internal compartments made of cardboard. Colored wooden pieces represent atoms with metal snap fasteners imitating chemical bonds; contains sulfur (yellow), oxygen (light blue), nitrogen…