Exhibits in the museum demonstrate the changes in firefighting practices from bucket brigades to carriages to engines . The evolution of the department itself , from volunteer firefighters to municipal fire departments is also covered . The museum also houses a special memorial to the 343 members of the FDNY who lost their lives in the September 11 attacks . This memorial includes artifacts recovered from the World Trade Center site , as well as a monument commemorating each firefighter who made the Supreme Sacrifice
September 11 attacks
September 11 attacks
New York City Fire Museum