Examples from the Web for thermograph
McLean attended to the thermograph which Bage and I had installed in the autumn.The Home of the Blizzard|Douglas Mawson
Still another intricate instrument is in use, the thermograph, that utilizes the heat rays from the sun, instead of the light.
During my absence Robert occupied my tent, where the barograph and the thermograph ticked on my boxes.Trans-Himalaya, Vol. 1 (of 2)|Sven Hedin
The watchmaker, Mogstad, would have a thermograph to examine and clean, or a new spring to put into a watch.Farthest North|Fridtjof Nansen
Barograph records are fully as interesting as those made by the thermograph.Practical Exercises in Elementary Meteorology|Robert DeCourcy Ward