-**Thursday, June 14** Richard O'Neil make a presentation on "How to Make a Crystal Set" including circuits, variable capacitors, coils, diodes, impedance matching, phones, etc and displayed several completed crystal sets.
+**Thursday, June 14** Richard O'Neil made a presentation on "How to Make a Crystal Set" including circuits, variable capacitors, coils, diodes, impedance matching, phones, etc and displayed several completed crystal sets.