Model 20" chemical balance by Oertling
Dismantled carcass of model 20" chemical balance by Oertling to weigh from 5 kilos to 0.01 gramme, in glass case.
Balance model 20" Chemical, by Oertling to weigh from 5 kilos to 0.01 gramme, in glass case. 20" brass beam and triple brass pillar. Cracked centre knife edge.
Dismantled carcass of model 20" chemical balance by Oertling to weigh from 5 kilos to 0.01 gramme, in glass case.
Dismantled beam of the model 20" chemical balance by Oertling to weigh from 5 kilos to 0.01 gramme.
Dismantled pans of the model 20" chemical balance by Oertling to weigh from 5 kilos to 0.01 gramme.