Jack Gould (1) (1914–1993)

A Gentle Feast (1) Advanced Beginner / 3rd-7th Grade (1) AGF 3 (1) AGF Cycle 3 (1) all about (2) All About Books (2) Allabout Books (2) Allabout series (1) carrier waves (1) condenser (1) Do it yourself (2) early electronics (1) electrons (1) Elektrizität (2) Elektronik (5) Fernsehen (11) Frequenz (1) Handsprechfunkgerät (1) Hörfunk (11) Ian's (1) Kinderbuch (1) media history (1) noch zu lesen (1) Physik (3) pictures transmission (1) Radio--Juvenile literature (1) radios (3) Reshelving Alexandria (3) Reshelving Alexandria Time Capsule Library (1) ReshelvingAlexandriaLegacyLibrary (1) Sachbuch (3) Sendeanlage (1) Stem (1) Technologie (8) Technology & Engineering (1) Television--Juvenile literature (1) To UGA (1) Valerie's Living Library (2) Wissenschaft (9) youth educational x (1)