- 22:06, 24 March 2021 diff hist +99 Plessey Avionics and Communications
- 22:03, 24 March 2021 diff hist +121 N File:Plessey flight data recorder.jpg Flight data acquisition and recorder unit made by the Plessey Co. Part of the Science Museum's collection.
- 21:53, 24 March 2021 diff hist +91 File:Monotype composing keyboard.jpg current
- 21:51, 24 March 2021 diff hist +78 Monotype Corporation
- 21:49, 24 March 2021 diff hist +113 N File:Monotype composing keyboard.jpg Monotype standard keyboard for use with composing caster. Part of the Science Museum's collection.
- 22:06, 23 March 2021 diff hist +91 File:Motorola MR1 mobile phone and charger, c.1994.jpg current
- 22:05, 23 March 2021 diff hist +112 Motorola current
- 22:03, 23 March 2021 diff hist +107 N File:Motorola MR1 mobile phone and charger, c.1994.jpg Motorola MR1 mobile phone and charger, made c.1994. Part of the Science Museum's collection.
- 22:16, 22 March 2021 diff hist −19 Garden Street Mill, Blackburn
- 17:27, 22 March 2021 diff hist +60 Garden Street Mill, Blackburn
- 16:25, 22 March 2021 diff hist +91 File:Ferranti gyroscope compass.jpg →Summary current
- 16:21, 22 March 2021 diff hist +65 Ferranti Instruments
- 16:19, 22 March 2021 diff hist +83 N File:Ferranti gyroscope compass.jpg Ferranti gyroscope compass. Part of the Science Museum's collection.
- 16:17, 22 March 2021 diff hist +91 File:Ferranti artificial horizon instrument.jpg current
- 16:15, 22 March 2021 diff hist +98 Ferranti Instruments
- 16:13, 22 March 2021 diff hist +104 N File:Ferranti artificial horizon instrument.jpg Ferranti artificial horizon aircraft instrument. Part of the Science Museum's collection.
- 21:18, 21 March 2021 diff hist +93 Ferranti: Domestic Appliances current
- 21:15, 21 March 2021 diff hist +91 File:Ferranti Model 947 clock.jpg current
- 21:14, 21 March 2021 diff hist +109 N File:Ferranti Model 947 clock.jpg Ferranti Model 947 mains electric clock, made c.1950. Part of the Science Museum's collection.
- 16:59, 21 March 2021 diff hist +64 Sir Joseph Causton and Sons current