Photograph of 8 year old Para rubbert trees being tapped on a plantation in Gikiyanakand[?] in the early 20th century.

Photograph of a man collecting rubber from a 10 year old rubber tree which has been tapped using a herring-bone pattern on the Kempsey Estate, Selangor, [Malaysia] in the early 20th century.

Photograph of a native rubber tree in a forest in the early 20th century.

Photograph of a young clearing with rubber trees 'as it should be' in the early 20th century.

Photograph of a forest of rubber trees that have been cut down - 'a young clearing as it should not be' on an estate in the early 20th century.

Illustration of a Calillet's monorail device used for 'facilitating transport on rubber estates'. Two men push a trolley with canisters of rubber along a single track through the forest on a rubber plantation in [Malaysia?] in the early 20th century.

Photograph of Castilloa elastica plants at the Plantation Anna Regina in Essequibo, [Guyana, South America] in the early 20th century.

Photograph of a Ceara rubber tree on a rubber plantation in the early 20th century. Image possibly taken from the India Rubber Journal.

Photograph of a clean-weeded rubber plantation estate showing the forest with bare ground beneath the trees in the early 20th century.

Photograph of a group of men standing around a canister pouring rubber latex into it on a rubber plantation in the early 20th century.