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Orchestra during performance
RF photo #25222a. -
Orchestra during performance
RF photo #25222a. -
Mount Palomar telescope
Reverse: "Erecting 200" telescope at Palomar. Looking from the south-end of the yoke up through the telescope. The telescope tube is not yet in place." Used in '46 RF Annual report, p. 155. Rights: Wide World Photos, Inc. RF #22188B -
Experimentation with and the application of insecticides
Caption: "Spraying of lime-sulphur and nicotine sulphate as a treatment for the control of the cattle lice on buffalo." RF photo #21224g. -
Experimentation with and the application of insecticides
Caption: "A watermelon saved from injury by the watermelon aphis after a treatment of pyrethrum-kerosene emulsion." RF photo #21224f. -
Experimentation with and the application of insecticides
Caption: "Bureau representatives instructing farmers in the application of pyrethrum-kerosene emulsion for the control of the watermelon aphids." RF photo #21224e. -
Experimentation with and the application of insecticides
Caption: "Applying a native insecticide to determine effectiveness." RF photo #21224d. -
Experimentation with and the application of insecticides
Caption: "Experiment with native insecticides to determine effectiveness in controlling the cabbage leaf beetle." RF photo #21224c. -
Experimentation with and the application of insecticides
Caption: "Flowers and leaves of Roy-Kung-Teng, used for insecticides." RF photo #21224b. -
Experimentation with and the application of insecticides
Caption: "Leaves and fruit of the bitter tree. The Bureau discovered the effectiveness of this native plant in preparing insecticides." RF photo #21224a. -
Experimentation with and the application of insecticides
Caption: "Placin tobacco stems beside rice plants in experimenting with the control of the rice borer." RF photo #21224i. -
The first dose of Thymol ever given on foreign soil by the International Health Commission
Caption: "1. Sur. Gen. Godfrey. 2. K.S. Wise, Chief Bacteriologist. 3. Sup. Med Officer. Int. H. Com. 4. Mahangoo, Wealthy East Indian. 5. Beni, East Indian. Our first Patient. 6. L.W. Collins American Consul. 7. J.E.A. Ferguson, Dist. Med. Officer. 8. Dr. Minett. Chief Sanitary Office British Guiana. 9. Assist. To Dr. Minett, Mr. Bell. 10. Viapree & Wajadalli, our East Ind. Microscopists. 12.[illegible] of our force. 13. Officers of Agricola Village. 14. Our first [illegible]. Apr. 6th. 1913. Demerara, British Guiana, South America." RF photo #4388. -
Progress of insect control
Caption: "General view of the harvesting of pyrethrum flowers for the preparation of insecticides." RF photo #21297z. -
H.H. Howard, representative of the International Health Commission, British Guiana
RF photo #432. -
Pyrethrum farm
RF photo #22072a -
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