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The A.C. Gilbert Collection

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A.C. Gilbert and the "Boy Engineering" Series

A.C. Gilbert was a man of many talents.  Born in 1884, he would go on to become a world champion pole vaulter and a graduate of Yale Medical School.  In fact, Gilbert worked his way through medical school by performing as a magician, and after graduation, he opted not to practice medicine, but instead began inventing and marketing toys, the first being magic sets.

Gilbert is probably best known for his invention of the erector set, but over the years he marketed a very popular line of toy trains and science sets.  Around 1920, Gilbert produced several science sets centered around science and engineering.  Thanks to Google Books and The Internet Archive, the manuals for at least three of these sets are available and in the public domain today.

The manualsfor the "Light Experiments," "Signal Engineering," and "Hydraulic and Pneumatic Engineering" sets may be found on these sites in PDF or DjVu format.  In addition, The Science Notebook has reproduced the manuals in HTML format on this site for your reading pleasure.   

These books were copyrighted in 1920, so some of the material is very dated.  These sets were unabashedly targeted at boys, as most people of the day assumed that girls would not pursue careers in science or engineering.  In addition, with America troops having recenly returned from "The Great War" (World War I), much of the practical application was on things military.  Also, while many of the experiments and activitied in these books are still being done in schools, a few of the experiments would not be considered particularly safe today, so if you try anything in them, please understand that you do so at your own risk.  Regardless, these are being provided "as is."See our Terms of Use.  

These manuals are broken down into chunks of approximately 25 pages to make them reasonable to load.  The oroginal page numbers were preserved, and the original illustrations were used.  They contain a fair amount of graphics, so please be patient while they load.   Finally, there may be some typos due to the fact that the original text files did contain some significant errors.  Hopefully, most have been caught, but if you discover any errors, please let us know, and we'll try to fix them.  

Gilbert "Boy Engineering" Series Manual Pages

Gilbert Light Experiments

Part 1    Part II    Part III    Part IV    Part V

Gilbert Signal Engineering
Part I   Part II   Part III   Part IV   Part V

Gilbert Hydraulic and Pneumatic Engineering
Part I   Part II   Part III   Part IV   Part V   Part VI



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