About 28 minutes
William Gilbert, and Terrestial Magnetism in the Time of Queen Elizabeth A Discourse — Background and Themes
General Physics
6,326 recorded words. Selected by the catalog's stored reading-time estimate.
View Gutenberg source #45893Explore this collection
Three of the shortest recorded reading commitments in this catalog. Times are estimates, not quality ratings.
About 28 minutes
General Physics
6,326 recorded words. Selected by the catalog's stored reading-time estimate.
View Gutenberg source #45893About 30 minutes
Mechanics
6,700 recorded words. Selected by the catalog's stored reading-time estimate.
View Gutenberg source #61030About 35 minutes
General Physics
7,958 recorded words. Selected by the catalog's stored reading-time estimate.
View Gutenberg source #5420882 of 85 catalog books have a stored excerpt with a Gutenberg source record. Search covers these excerpts only, up to 6,000 characters per book. A missing match does not mean the phrase is absent from the full work.
Produced by Gordon Keener This eBook includes 5 papers or speeches by James Clerk Maxwell. Foramen Centrale Theory of Compound Colours Poinsot's Theory Address to the Mathematical Introductory Lecture On the Unequal Sensibility of the Foramen Centrale to Light of different Colours. [From the _Report of the British Association_, 1856.] When observing the spectrum formed by looking at a long ve rtical slit through a simple prism, I noticed an elongated dark spot running up and down in the blu…
The search controls load when this section is ready.
| Book | Recorded words | Estimated minutes | Source |
|---|---|---|---|
| William Gilbert, and Terrestial Magnetism in the Time of Queen Elizabeth A Discourse — Background and Themes | 6,326 | 28 | Gutenberg #45893 |
| Technical School, Sioux Falls Army Air Field — Themes and Context | 6,700 | 30 | Gutenberg #61030 |
| Standard Measures of United States, Great Britain and France History and actual comparisons. With appendix on introduction of the mètre — Key Ideas to Explore | 7,958 | 35 | Gutenberg #54208 |
Choices use stored catalog measurements. Estimates vary with reading speed. A shared category is a catalog label, not a claim that two books have the same argument or literary quality.
Search reads excerpt text stored with this catalog and links to its associated Gutenberg record. The connection is stored in the site database; this tool does not recheck that every excerpt is word-for-word identical to that external record. Excerpt search does not cover every chapter and does not verify historical publication dates.
Catalog snapshot checked: 2026-09-26. Coverage: 85 public books, 82 available source excerpts.
The EATSB Historical Physics Library brings together 85 public-domain works that trace the development of physical thought. Here you can explore classic texts on mechanics, electricity, magnetism, light, and heat, from early experiments to the rise of modern physics. Each book is presented with clear reading tools to help you find your way into the material.
This catalog is organized to make historical physics approachable. You can search by topic, compare works side by side, or estimate how long a text will take to read. The tools on these pages are designed to give you a practical sense of each book before you open it.
Use the finder to locate works by subject, category, or title. With 85 books spanning four categories, you can quickly narrow down to what interests you most.
See how different books stack up in terms of length, reading time, and text structure. This helps you choose between similar titles based on your preferences.
Understand what each book offers in terms of length and reading time. Whether you prefer a quick read or an immersive journey, the reading guide helps you decide.
The EATSB Historical Physics Library holds 85 works that span four centuries of inquiry, from early experimental lectures to modern popular accounts. With so much variety, the first question is usually not which book to read, but how to find it. Three tools — Book Finder, Compare Books, and Reading Tracker — each answer a different part of that question, and using them together can turn a vague interest into a concrete reading plan.
Book Finder narrows the catalog by category, length, reading time, chapter rhythm, sentence flow, and subject. For example, if you are curious about atomic energy but want a popular introduction, selecting the subject "Nuclear energy -- Popular works" and the General Physics category will bring up a small set of options. One of them, "Our Atomic World: The Story of Atomic Energy — A Closer Reading" (id 281), is a compact 12,953 words with an average sentence length of 19.9 words, which suggests a direct, accessible style.
Using the Finder first lets you filter out the marathon-length bibliographies and the dense mathematical treatises before you ever see them. You can also leave every criterion on "no preference" — that choice does not penalize any book, so the tool simply returns the full catalog sorted by its default order.
Once you have two or three candidates, Compare Books places their word counts, estimated reading times, text sections, sentence flow, and chapter rhythm side by side. This is where the catalog's range becomes tangible. A 30,000-word book with only 2 text sections will feel very different from a 30,000-word book with 20 sections, even though both are "short" by the catalog's length categories.
The comparison tool does not rank one book above another — it simply makes the structural differences visible. For instance, you might see that one book has a high chapter count (meaning frequent breaks) while another has a low one (meaning longer, continuous arguments). That information helps you decide which format matches your reading style.
After you commit to a title, Reading Tracker turns the book's page count into a daily goal. It uses a default of 250 words per page when no fixed page count exists, so the initial estimate is approximate. You can adjust the total pages to match your own edition, and then the tracker calculates remaining time and finish date based on a daily page goal you set.
For a book like "Our Atomic World" (id 281), which is about 57 reading minutes, a 20-page daily goal would finish it in a day or two. But for a longer work, say one of the 300,000-word bibliographies, the same goal spreads the read over weeks. The tracker's value is in making that commitment explicit before you start.
The three tools support a natural workflow: find a promising title, compare it against a couple of alternatives, then set a reading plan. You can also loop back — if the tracker reveals that a book will take longer than you expected, you might compare it with a shorter option. The tools are designed to be iterative, not linear.