Sternfeld, Joseph.

Hour glasses / by Joseph Sternfeld. - [Williamstown?, MA] : National Association of Watch and Clock Collectors, 1953. - 20 p., [2] p. of plates : ill. ; 23 cm. - Supplement to the Bulletin of the National Association of Watch and Clock Collectors . - Bulletin of the National Association of Watch and Clock Collectors Supplement. .

Xerox copy.

Bibliography: p. 20.


Hour-glasses.