The black history inventors poster includes over 200 inventions by African Americans. The inventions are numbered and listed in alphabetical order - along with the inventor's name, date patent assigned, and patent number. The easy-to-read, easy-to-learn fromat makes this a powerful black history teaching tool, and reference guide. The 24"x36" poster is a collage by artist E. B. Mapp, and lists inventions that we use everyday to make our lives safer and more comfortable. Such as: electric light bulb, heart surgery, refrigerator, gas mask, syringe, heating furance, car motor, elevator, etc.