Photograph of a man standing next to a Mimusops globosa tree showing cuts from tapping from the book, 'Rubber and Balata in British Guiana' in the early 20th century.

Photograph of a natural rubber tree about 120 feet high in a forest in the early 20th century. The text beneath the image notes that this tree yielded 30 lbs of rubber at one tapping.

Illustration of Nectria spores on Hevea braziliensis plants.

Photograph of a man in a white suit holding a pipe standing next to an old Para rubber tree that has been tapped using a herring bone pattern in Henerat[h]goda, [Sri Lanka] in the early 20th century.

Photograph of a forest of Para and Ficus elastica trees that were planted between July and September, 1899.

Illustration of a Para Indian rubber tree and text describing the ideal tree-form for the Hevea and notes on the best type of planing methods.

Photograph of two men standing next to a 20 year old Para rubber tree that is slowing tapping in the early 20th century.

Photograph of the interior of a tea-leaf withering house in Ceylon [now, known as Sri Lanka] which has rows of para rubber rounds lying on the floor and on shelves being dried.

Photograph of two men standing next to the Para rubber tree no. 2 that is one of the oldest in the Malay Peninsula in the early 20th century.

Photograph of a life sized Para rubber tree seed germinated and showing the roots and the base of the stem.