Spare pen tip, packaged in plastic casing, for Chessell type 320 6-channel chart recorder, serial no.1979-5284, each channel fitted with function generator and high and low level alarms, made 1979. Pen tip for Chessell type 320 6-channel chart recorder, 1979 1979
Spare pen tip, packaged in plastic casing, for Chessell type 320 6-channel chart recorder, serial no.1979-5284, each channel fitted with function generator and high and low level alarms, made 1979. Pen tip for Chessell type 320 6-channel chart recorder, 1979 1979
Spare pen tip, packaged in plastic casing, for Chessell type 320 6-channel chart recorder, serial no.1979-5284, each channel fitted with function generator and high and low level alarms, made 1979. Pen tip for Chessell type 320 6-channel chart recorder, 1979 1979
Spare pen tip, packaged in plastic casing, for Chessell type 320 6-channel chart recorder, serial no.1979-5284, each channel fitted with function generator and high and low level alarms, made 1979. Pen tip for Chessell type 320 6-channel chart recorder, 1979 1979
Lever attached to large gear wheel; fits to cinecamera to operate closing shutter for fades, lap dissolves. Accessory lever for Bell & Howell Standard cinecamera
Black cylinder with two holes, of the type used during COVID-19 vaccination work at University Hospital Coventry, England, 2020-2021. Black cylinder with two holes 2015-2020
Spare pad of chart paper, packaged in plastic wrapping, for Chessell type 320 6-channel chart recorder, serial no.1979-5284, each channel fitted with function generator and high and low level alarms, made 1979. Chart paper for Chessell type 320 6-channel chart recorder, 1979 1979
Spare pen tip, packaged in plastic casing, for Chessell type 320 6-channel chart recorder, serial no.1979-5284, each channel fitted with function generator and high and low level alarms, made 1979. Pen tip for Chessell type 320 6-channel chart recorder, 1979 1979
Spare pen tip, packaged in plastic casing, for Chessell type 320 6-channel chart recorder, serial no.1979-5284, each channel fitted with function generator and high and low level alarms, made 1979. Pen tip for Chessell type 320 6-channel chart recorder, 1979 1979
Four brass mirror plates from rota board from the Putney Samaritans, unknown maker for The Samaritans, British, 2011 Four Mirror plates from rota board from The Samaritans Putney, 2011 2011