Author:
John Tyndall (1820-1893), Anglo-Irish physicist, celebrated for his work on diamagnetism and infrared radiation, who discovered the Greenhouse Effect in 1859 [Global warming]
Firm and attractive signature for autograph hunter, centred on one side of 7.5 x 9.5 cm piece of paper. No other writing. In good condition, lightly aged and creased, with labels from mount adhering to reverse.
