https://digitalarchive.tpl.ca/internal/media/dispatcher/1872965/fullDavid Spencer and his TV solution, All-channel viewing with $100 and a lot of ingenuity10/12/1971[com.gallerysystems.emuseum.core.entities.RecordXPerson@8cef3a, com.gallerysystems.emuseum.core.entities.RecordXPerson@8f8344, com.gallerysystems.emuseum.core.entities.RecordXPerson@8fe772]com.gallerysystems.emuseum.core.entities.RecordXPerson@8cef3acom.gallerysystems.emuseum.core.entities.Classification@bdTSPA-1https://digitalarchive.tpl.ca/objects/221096/rdf