'Book Fines' or 'Book Detention Indicator' for Public, or other Libraries.

摘要

22,034. Robinson, F. Oct. 30. Date indicators for showing the dates on which books should be returned to a library and the number of days overtime comprise frames B in which tickets C, D, giving dates of the month, slide and on which numbers are affixed showing the number of days a book issued on any date is overdue. Indicators of ordinary construction may be added, as shown, to give dates of interest.