Search Results
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The Furnace and How it Works
- 1922
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…
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How Coal Burns
- 1922
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,…
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Daily weather map
- 1922
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…
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Commonwealth of Massachusetts metropolitan water district/Wachusett, Sudbury and Cochituate watersheds
- 1922
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…
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416 items
The Science of Common Things; a Textbook of General Science
- 1922
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…
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Percentage composition of foods
- 1922
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…
- After Langworthy, C. F. (Charles Ford), 1864-1932
- Author Tower, Samuel Francis
- Publisher D.C. Heath and Company
- Subject Science--Experiments, Science--Study and teaching, Middle school education, Langworthy, C. F. (Charles Ford), 1864-1932, Food--Composition, Education, Secondary, Textbooks, Science
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Percentage composition of foods
- 1922
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…
- After Langworthy, C. F. (Charles Ford), 1864-1932
- Author Tower, Samuel Francis
- Publisher D.C. Heath and Company
- Subject Science--Experiments, Science--Study and teaching, Middle school education, Langworthy, C. F. (Charles Ford), 1864-1932, Food--Composition, Education, Secondary, Textbooks, Science
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Electrical wiring diagram for doorbells
- 1922
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…
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Students gather around a teacher who is conducting a scientific experiment
- 1922
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…