This thermometer comprises a length of fine platinum wire of about 2.8 ohms resistance wound non inductively on a mica frame & soldered to stout copper leads. A pair of compensating leads are
provided. All four leads being connected to terminals mounted on a suitably engraved insulating panel which is joined to the mica resistance frame by cork mount on to which is fitted a stainless tube.
Since connections are soft soldered, this resistance thermometer is suitable for temperature work.