The biggest factor in determining the cost of a home chair lift is the shape, size and length of the staircase. Having a straight staircase provides the best option for buying a chair lift for stairs, as the only measurement that is needed is the length of the staircase.The chair rail is then cut to length.he biggest factor in determining the cost of a home chair lift is the shape, size and length of the staircase. Having a straight staircase provides the best option for buying a chair lift for stairs, as the only measurement that is needed is the length of the staircase.
Du Boisâ 1895 doctoral dissertation, âThe Suppression of the African Slave Trade,â which was the first book in the Harvard Historical Series, published in 1896. Du Bois earned three degrees from Harvard â A.B. 1890, A.M. 1891, and Ph.D. 1895 â and was the first African American to earn a Ph.D.
In 1975, Bath became the first African-American woman surgeon at the UCLA Medical Center and the first woman to be on the faculty of the UCLA Jules Stein Eye Institute. She is the founder and first president of the American Institute for the Prevention of Blindness. Patricia Bath was elected to Hunter College Hall of Fame in 1988 and elected as Howard University Pioneer in Academic Medicine in 1993. READ MORE via Patricia Bath â First Black Female Doctor Granted Patent Was Patricia Bath. Tagged African American, Cataract Laserphaco Probe, Los Angeles, Patricia Bath.