topic

• African American inventors1
• Lubrication systems1

name

• Baker, Henry E. (Henry Edwin), 1859-19281
• McCoy, Elijah, 1844-19291

collection

• The colored inventor : a record of fifty years1

genre

• Photographs1
• Portraits1

publisher

division

• Schomburg Jean Blackwell Hutson Research and Reference Division1

type

• still image1