Lot 170: A Scaling Unit Type 1266B by Ericsson Telephones Ltd

A utilitarian, industrial-style electronic device identified as a Scaling Unit Type 1266B, Catalogue No. 3-7/10949, manufactured by Ericsson Telephones Ltd of Nottingham, England. Dating to the mid-20th-century, the unit features a metal casing with a top panel that includes four clear-covered circular indicators, two of which are marked “X10.” A rectangular cutout displays a mechanical counter with visible digits such as “1357” and “2468.” Several toggle switches are present, labeled with functions including “POSITIVE INPUT,” “SELF IMPEDANCE,” and “DELAY INPUT.” A white UK-style three-pin electrical plug is attached via an insulated wire.