Encyclopaedia Britannica, 11th Edition, "Matter" to "Mecklenburg" Volume 17, Slice 8

"Encyclopaedia Britannica, 11th Edition, 'Matter' to 'Mecklenburg'" by Various is a slice of a large collection of knowledge that tries to cover everything from science to history in the early 1900s. This part of the encyclopedia wants to give lots of information on different subjects, like what matter is made of and places like Mecklenburg. It shows what people knew and believed back then about science and culture. Early on, the book takes a close look at "matter," explaining how new studies in electricity and radioactivity changed how people understood it. It goes into detail about molecules and atoms, explaining how matter is made of particles, from older ideas to a more complex understanding that includes electrical theories about how atoms are built. Also, it talks about how atomic weight and electrical charge affect what matter is like, showing how science was changing over time.