Pictures of Elsen Karstad's Sawdust Carbonizing Experiments.(March
shows me myself in front of the unit in operation happily
anticipating great successes.
Secondly is the unit after operation- all twisted & warped. Note that
no longer in photo.
Thirdly the unit
under construction- inner & outer tubes. Note pile of
charcoal vendors waste in background- that's what is used for manual
briquetting using the clay binder.