24. Examination
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of the Davis Escape apparatus was periodically carried out for the Naval Authorities. Tests were made of the percentage of hydrogen in the atmosphere of submarine battery rooms during charging.
25. A large increase in the amount of foodstuffs examined for the Naval & Military Authorities took place during the year, The number of samples being about half that submitted for examination under the Food & Drugs Ordinance. A similar proportion of samples of foodstuffs to civilian population would involve the examination of approximately 4,000 samples a year instead of the present 139 samples.
Unofficial Work.
26. There has been a decline in the number of samples submitted to the Laboratory under this head, chiefly due to the resumption of work in one of the outside laboratories.
27. Wolfram ore and refined tin are two thirds of the total number of unofficial samples. The actual amount of tin sampled and analysed was 3,837 tons, the value of which was about £1,380,000 sterling.
Sampling.
28. The following list gives the amount of sampling done by the Sampler attached to the Laboratory.
Tin 3,837 tons. Wood Oil 300 Teaseed Oil 122 Cassia Oil 110 drums. Anise Oil 30 Lard 35,844 cases. Citric Acid 1 cask Firecrackers 30 cases. 1,852 samples. Water SamplesSpecial Investigations.
29. Further work has been carried out on the use of fumigants for the destruction of insect life in flour. Also, as mentioned elsewhere, an investigation is being carried out to determine the composition of the Urinary Stones found locally.
Staff & Equipment.
30. Mr. Branson, Government Analyst, proceeded on long leave on October 6th, 1934 and Mr. Jackson took over the duties from that date.
Mr. Jackson returned from long leave on August 12th, 1934. Mr. Edwards was on leave during March, April & May and Mr. Loie during June, July & August.