Excerpt from The Principal Research Branch of the Public Health ServiceIn a few years the Laboratory grew out of its Capitol Hill Space, and Congress provided funds for a building on a knoll overlooking the Potomac River, not far from where the Lincoln Memo rial now stands. The Laboratory remained there for almost 40 years.About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.comThis book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully, any imperfections that remain are intentionally left to preserve the state of such historical works.