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Start Over You searched for: Date 1920 to 1929 Remove constraint Date: <span class="from" data-blrl-begin="1920">1920</span> to <span class="to" data-blrl-end="1929">1929</span>-
48 items
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2 items
"Louis Pasteur" Microscope Set
- After 1920
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…
- Contributor Geo. Borgfeldt & Company
- Manufacturer Carolyn Manufacturing Company Inc.
- Subject Chemistry sets, Microscopes, Carolyn Manufacturing Company Inc., Pasteur, Louis, 1822-1895, Geo. Borgfeldt & Company
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67 items
Gilbert Chemical Magic; A Presentation of Original and Famous Tricks in Conjuring Accomplished by the Use of Chemicals
- Circa 1920
This volume, intended for elementary and middle school-aged children, includes a series of chemistry and science experiments presented as magic tricks. Each experiment outlines instructions for the completion of the…
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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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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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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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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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How a Furnace Heats a House
- 1922
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…
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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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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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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…
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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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The Organs of Digestion
- 1922
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…
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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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262 items
Laboratory Chemistry for Girls
- 1923
Textbook of chemistry for use in schools where "girls are studying chemistry for any purpose - general education, or preparation for a trade or for higher education." The content of the work includes an overview of…
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328 items
Fundamentals of Chemistry : A Text-Book for Nurses and Other Students of Applied Chemistry
- 1924
Textbook for first and second-year undergraduate students of applied chemistry. Author Dr. Jean Bogert (1888-1970) states in her preface that this work is set apart from other chemical textbooks due to its emphasis on…
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247 items
Applied Chemistry for Nurses
- 1926
Published in 1926, this textbook of chemistry was intended to instill "the elementary foundation principles of chemistry which will be of service to the nurse in her work." The work contains chapters that discuss…
- Author Goostray, Stella, 1886-1969
- Publisher Macmillan & Co.
- Contributor Karr, Walter G. (Walter Gerald), 1892-1946
- Printer The Cornwall Press
- Subject Chemistry, Chemistry--Study and teaching, Nursing--Study and teaching, Science--Study and teaching, Women in medicine, Women nurses, Nursing, Nursing students, Goostray, Stella, 1886-1969