Rubber - Specimen details
| Catalogue Number: 50071 | |||||
|---|---|---|---|---|---|
| No Image | Plant Name | 106.00 APOCYNACEAE Willughbeia firma | Entry Book Number | 76.1908 | |
| Artefact Name | Rubber | Vernacular Name | |||
| Iso Country | Not defined | TDWG Region | Not defined | ||
| Parts Held | Rubber | Geography Description | Leper Island, Pulau jerajah, Near Penang | ||
| Uses | RubberUse: User: Not defined | TDWG use | |||
| Storage | Bottles, boxes etc | Related Items | |||
| Donor | Derry R | Donor No | |||
| Donor Date | Donor Notes | ||||
| Collector | Collector No | ||||
| Collection Notes | Collection Date | ||||
| Exhibition | Expedition | ||||
| Number Components | Publication | ||||
| Notes: | Opuscular source: Letter - 6 Mincing Lane, June 17th 1908 to Director Kew, Dear Sir, We have carefully examined the sample of rubber you handed us this afternoon. The biscuits are very dark and rough, but fairly strong and in good condition, worth about, 3/- per lb. The nuggets, are clean and in good condition, but cut wet and very spongy, value about 1/9. 1/10 per lb. The scrap is ordinary black ill shapen lumps, also cutting spongy and wet and shewing (sic) a few pieces of bark and grit, worth about 1, /6, 1/8 per lb. The best form to send this rubber in would be as biscuits, but a little more care should be taken in the preparation. In the sample they are very uneven, and evidently not properly rolled; we think they have probably been exposed to the a, ir and sunlight causing discolouration. Signed Lewis & Peat. Opuscular source: Getah Gerip from Pulau Jerajah - During the last year Dr Mugliston, Senior Medical Officer, Penang reported to the President Councillor there that he had prepared samples of, a rubber obtained from rubber vines growing on Pulau Jerajah, the Leper Island, near Penang, and that some Penang buyers regarded the samples as rubber of the first quality. By direction of the Resident Councillor I visited the Island and was shewn a vin, e then in flower which proved to be Willughbeia firma the well known 'Getah Gerip'. From several incisions I obtained a small quanity of latex but this failed to coagulate with the only agent I had with me viz. acetic acid. I understood Dr Mugliston coag, ulated his samples by raising the temperature of the latex. The latex exuded much quicker from the blow of a large heavy knife than from ordinary tapping instrument and runs off fairly clean, leaving very little latex to coagulate on the bark (practically, nil). I was told there were several vines on this little island. What I saw did not exceed 3 1/2 inches in diameter and I was not fortunate enough to find any seedlings which it is suggested might be abundant. It is however interesting to record an isol, ated place where the plants are not likely to be exploited. Dr Mugliston's samples were prepared in biscuits, cups and lump. These were exhibited at the Kuala Kangsar show last year without sucess in the class Jungle Rubbers. Subsequently through the kin, dness of the Director of the Royal Gardens Kew, the following report was obtainend from Messrs Lewis & Peat. (See above Letter) Note - The rubber, except when at the Kuala Kangsar show was not exposed to the light. It is obvious from the wet and spongy co, nditions spoken of such rubbers should be thoroughly smoked, and if prepared in biscuit form would very likely command a higher price, as native collected getah gerip is usually exported in large balls which are impossible to smoke efficiently, R.Derry., From the Agric Bull of the Straits and Fed Malay States, Sept 1908 pp.391-392 | ||||