| 12th February 2026 | Tektronix Circuit Computer | New Entry |
| 12th February 2026 | Nobema "Durer" 5914 Elektro | New Entry |
| 12th February 2026 | I.T.E. Circuit Breaker Company Interrupting Capacity Calculator | New Entry |
| 12th February 2026 | Bybee Voltage Drop Calculator | New Entry |
| 10th February 2026 | Blundell Harling P3867 Voltage Drop Calculator | New Entry |
| 10th February 2026 | Robert Bosch Cos Phi Calculator | New Entry |
| 10th February 2026 | Logarex 4542-27402 Elektro | New Entry | |
| 10th February 2026 | Logarex 27729 Electrical | New Entry | |
| 21st January 2026 | Ricoh 2506 | New Entry |
| 21st January 2026 | Relay Unknown Model | New Entry |
| 13th January 2026 | Omnes | New Entry |
| 8th August 2025 | Fearns Voltage Drop Calculator | Addition |
| 29th July 2025 | IWA 51905 | Addition |
| 29th July 2025 | IWA 51904 | Addition |
| 20th April 2025 | Tavernier-Gravet M. Fromy No. 9 Radio Slide Rule | Addition |
| 20th April 2025 | Tavernier-Gravet M. Fromy No. 29 Radio Slide Rule | New Entry |
| 6th April 2025 | D & P System Kertesz | New Entry |
| 19th February 2025 | Sun Hemmi Tokyo Electric Co | New Entry |
| 18th February 2025 | Rista 22 Electro | New Entry |
| 18th February 2025 | IWA Unitron | New Entry |
| 16th February 2025 | Tehnolemn Electrotehnica | New Entry |