H&L Products
1960 Obsolete Bluebook on Clamshell Adapters
H&L Obsoleted Bluebook Catalog:
Published catalog on Clamshell Adapter was last issued in 1968. Product shown is H&L original designs for All-Makes of Clamshell during the 1940 through the 1960s. CLICK “DOWNLOAD” to view or print PDF file.