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Journal of the Association of Engineering Societies (1881)
Association of Engineering Societies (U.S.) · New York, [etc.] Board of Managers · leaf 349
2 §S V "Vj 1' Fig. 9. Union Rotary Meter. … Fig. 10. Flat Disk. Fig. 11. Conical Disk. Fig. 14. Meter of Velocity Type.Engineering
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