Astronomy with an Opera-glass A Popular Introduction to the Study of the Starry Heavens with the Simplest of Optical Instruments is part of the Stars & Planets catalogue. The record identifies Serviss, Garrett Putman, 1851-1929 as the credited author and preserves a link to the source edition.

Edition profile

The extracted text contains approximately 50,683 words, corresponding to an estimated 221 minutes of reading, and is divided into 8 detectable text sections. These figures describe the downloaded text file rather than a printed pagination system.

The automated text analysis reports an average sentence length of about 22.4 words and a measured lexical-diversity value of 0.106. These measurements are descriptive reading aids, not literary ratings.

Catalog context

The source record associates this edition with the following subjects: Astronomy. Catalog terms may reflect historical library practice and can be broader or narrower than a modern reader’s interpretation.

Using this page

Use the source link in the Edition facts box to compare the original catalogue record. The reading and text-structure figures can help estimate length, while the category and subject labels provide routes to related editions in this collection.