Transactions . i d .?. 3 N lo/...\.U/l/..ir/:AALY. To fflustrate //ic report of the Qnnmzi&e on A/r/-//a///r/// Ventilators Mode of Testing the Indicator Carriers for Weigfr/s. fi-oc^cUnffsjr?£7cfMiM£JS80^7. I ^CTcasiie. 7b rJlns Irate the report of ttte Corm Drawings of Ventilators alream

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Keywords: ., bookcentury1800, booksubjectmechan, booksubjectmineralindustries