Overview
About this book
A Lecture on Physical Development, and its Relations to Mental and Spiritual Development, delivered before the American Institute of Instruction, at their Twenty-Ninth Annual Meeting, in Norwich, Conn., August 20, 1858 is available in the Project Gutenberg source edition credited to S. R. (Samuel Robert) Calthrop. Catalog subjects include Physical education and training. This edition retains the source text, including any introductory material and notes.
- First published
- Unknown year
- Language
- English
- Copyright status
- Public domain
- Source edition
- Project Gutenberg ebook #12430
English level
B2–C1 · Deep reading
A Lecture on Physical Development, and its Relations to Mental and Spiritual Development, delivered before the American Institute of Instruction, at their Twenty-Ninth Annual Meeting, in Norwich, Conn., August 20, 1858 is calibrated from 9,114 sampled words across 2 chapters: sentences average 26.1 words, 38.4% exceed 24 words and 6.8% of words are nine letters or longer.
Explore the B2–C1 level →Sentence rhythm
What the prose asks
Extended sentences averaging 26.1 words, with 18.9% reaching 40 words or more
Vocabulary
What may slow you down
6.8% of sampled words contain nine or more letters and about 5.27 marked archaic terms per thousand words; names and period vocabulary still vary by chapter
Reading rhythm
One sitting
A complete one-sitting route is realistic. About 2 calm 30-minute sessions.
Suggested approach
Read with momentum
Read in planned sessions and keep short notes on claims, evidence and changes in voice
Best starting point
Begin with chapter one
The full text is ready with speech, lookup and saved progress.
CEFR-aligned Linden estimate · medium confidence · sampled full text · Calibrated 2026-09-08 · Provisional, not an exam certification.
Table of contents





