Angela teaching
20120825 110411
20120825 110411
Gretchen and Angela
Gretchen and Angela
Angela and a thermometer
Angela and a thermometer
Dave light and the contents
Dave light and the contents
Dave and the contents
Dave and the contents
Open a kit
Open a kit
Richard handing out test kits
Richard handing out test kits
Conductivity meter down
Conductivity meter down
Conductivity meter across
Conductivity meter across
Gretchen videoing Angela
Gretchen videoing Angela
Attendees from back
Attendees from back
Attendees
Attendees with teacher (Angela Bray)
