EXHIBIT 4.2 THESE SECURITIES HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED, OR THE SECURITIES LAWS OF ANY STATE AND CANNOT BE SOLD OR TRANSFERRED UNLESS AND UNTIL THEY ARE SO REGISTERED OR UNLESS AN EXEMPTION UNDER SUCH ACT OR...Amended and Restated Class B 13% Convertible Senior Subordinated Pay-in-Kind Debenture • February 17th, 1998 • Logimetrics Inc • Radio & tv broadcasting & communications equipment • New York
