Book (Practical) Natural science Scientific Chronology Premium 1925-2024 Personal Edition / National Astronomical Observatory

Product description ※Please note that product information is not in full comprehensive meaning because of the machine translation.

Natural Sciences
The 『 Chronology 』 is a databook covering all fields of science. It is composed of seven departments, including calendar, astronomy, meteorology, physics / chemistry, geoscience, biology, and environment, and has been used by many people involved in science for more than 90 years as basic data and original text.
The 『 Chronology 』 Premium is an Internet site that contains approximately 15 to 000 items published in the Natural Science Chronology Premium since it was first published in 1925 up to the latest edition currently on sale. The table data is organized in CSV format and can be freely processed and edited using spreadsheet software such as Excel, so it is useful as a reference and reporting tool. You can access it anytime and anywhere for 12 months from the date of user registration.
* Items (data) may be added or removed from some time in the past. Therefore, not all items are dated back to 1925. Please note that all items are dated back only to the year when the item first appeared in the book.