Mr. Johnson's Last Lecture at 4.30

Mr. Woolsey McA. Johnson will deliver his final lecture on "Some Applications of Physical Chemistry to Metallurgy" this afternoon at 4.30 o'clock in the Lecture Room of the Rotch Building. His special topic will be "Electric Furnace Processes."

The lecture will be open to the public, and students from the Massachusetts Institute of Technology are especially invited to attend.