Category:A study of Illinois coals - with a new method for determining their calorific value (1900)

From Wikimedia Commons, the free media repository

Jump to navigation Jump to search

Media in category "A study of Illinois coals - with a new method for determining their calorific value (1900)"

The following 5 files are in this category, out of 5 total.

A study of Illinois coals - with a new method for determining their calorific value (1900) (14595851590).jpg 3,456 × 1,898; 395 KB
A study of Illinois coals - with a new method for determining their calorific value (1900) (14596058037).jpg 3,536 × 1,930; 377 KB
A study of Illinois coals - with a new method for determining their calorific value (1900) (14596064077).jpg 3,552 × 2,401; 506 KB
A study of Illinois coals - with a new method for determining their calorific value (1900) (14759573376).jpg 3,504 × 1,426; 327 KB
A study of Illinois coals - with a new method for determining their calorific value (IA studyofillinoisc00koch).pdf 1,160 × 1,679, 118 pages; 5.14 MB

Retrieved from "https://commons.wikimedia.org/w/index.php?title=Category:A_study_of_Illinois_coals_-_with_a_new_method_for_determining_their_calorific_value_(1900)&oldid=221701895"