TY  - BOOK
AU  - Bernstein,Aaron David
TI  - Popular Books on Natural Science: For Practical Use in Every Household, for Readers of All Classes
AV  - Q 
PY  - 2011///
PB  - Project Gutenberg
KW  - Science -- Popular works
N1  - The weight of the earth -- Velocity -- Nutrition -- Light and distance -- The wonders of astronomy -- Meteorology -- The food proper for man; Public domain in the USA; Electronic text
UR  - http://www.gutenberg.org/ebooks/37224
ER  -