Huge axial capacitor, 50mm x 40mm x 30mm. A single capacitor looks bigger than the circuit boards on the desk. 941C16W1P5K-F 1.5 MFD, +/- 10% 1600 VDC. CDET. KV.
https://cybre.ams3.digitaloceanspaces.com/media_attachments/files/108/681/000/548/824/515/original/a6fa7811026ba9ca.jpg