Location:

• Office and Works: 264-272 Monitor Street; 345-347 Kingsland Avenue, Brooklyn, N. Y.
• 262 Monitor Street (several locations)
• Factory: 481 Driggs Ave. (corner N. 10 St.)
• Bklyn Vault Light Co., Henry HELD, proprietor.

Timeline:

• ?-1903-1917-?

History:

• Henry Held, President
• Louis Hinrichs, Vice-President
• John J. Sigrist, Secretary & Treasurer
• "Manufacturers of Vault Lights, Roof Lights and Patent Light Work"

Paper:

• Brooklyn Vault Light Co. Letter