TY - BOOK AU - Graf, Rudolf F TI - Safe and simple electrical experiments SN - 9780486229508 SN - 73078175 U1 - 537/.07/24 GRA PY - 1973///, c1964] CY - Mineola, NY PB - Dover Publications KW - Electricity - Experiments KW - Electricity - Experiments - Juvenile literature KW - Magnetism - Experiments KW - Magnetism - Experiments - Juvenile literature N1 - Originally published under title: The safe and simple book of electricity ER -