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 1941, Drew was named an examiner on the American Board of Surgeons, the first African-American to do so. After the war, Charles Drew took up the Chair of Surgery at Howard University, Washington, D.C. He received the Spingarn Medal in 1944 for his contributions to medical science.