| 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 |