Body possibly cast with additional components welded. Exterior surface of cylindrical body has been painted. Surface finish: evenly applied black coating on exterior of cylindrical body.
Inscriptions & markings
Engraved on the top exterior of the instrument: “THE CAMBRIDGE SCIENTIFIC Co. LTD./ CAMBRIDGE. ENGLAND/ No. 15003/ FERY’S THERMO-COUPLE PYROMETER/ PATENT UK 5668. 1905.”