Blackboard of Heart Action, Department 42, Superior Court, Los Angeles, CA, 1933

Photograph of blackboard with diagram of parts of heart, Los Angeles, CA, 1933. "Subject: Blackboard of Heart Action, Dep[artmen]t 42 Superior Court

193310301DW19330927103DW1933092710301BlackboardsMcConnell B.E.DickSmithSondel