『Scientific American Supplement, No. 286, June 25, 1881』is a free short novel e-book of Various available on Project Gutenberg. It has 28,206 words and may take about 2h to read.
Words Count
2h
28,206
Words
Beginning
pounds of hides.--Percentage of tannin absorbed under different methods of tanning.--Amounts of gelatine and tannin in leather of different tonnages, etc.
* Popularity is calculated based on the downloads count on Project Gutenberg.