Details
Various radio items
including two 1920s crystal sets; two PM series valves; a variable mica condenser by Sullivan; a 1930s telephone desk switchboard; a continental telephone; 'Radioptican' slide viewer; and other small items (qty)
including two 1920s crystal sets; two PM series valves; a variable mica condenser by Sullivan; a 1930s telephone desk switchboard; a continental telephone; 'Radioptican' slide viewer; and other small items (qty)