AN EASILY CONSTRUCTED RAT LEVER.
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Equipment and Supplies↗
Biomedical subjects
W P WILKES
Publications and source records attributed to W P WILKES.
SIMPLE MOTOR-DRIVEN DEVICES FOR FEEDING AND WATERING ANIMALS.
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Animals↗
A COMPACT, EASILY CONSTRUCTED WATER DIPPER FOR RATS.
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Equipment and Supplies↗
AN INEXPENSIVE, RETRACTING RAT LEVER.
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Equipment and Supplies↗