Elementary Science by Grades Book Two: A Nature Study and Science Reader (1928)
Persing, Ellis C., Peeples, Elizabeth K. · D. Appleton and Company · leaf 187
159 GOLDFISH … Courtesy of <(Nature Magazine.” AN AQUARIUM WITH SQUARE CORNERS IS BETTER FOR GOLDFISH. in your schoolroom? First you must make an aquarium ready for them. An aquarium with square corners is better for goldfish than a round bowd. On the bottom of the aquarium you place clean white sand. Wash the…
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Internet Archive · National Library of Education · Public domain (published before 1931). Free to use for anything.