Contractors' and Dealers' Association of California · San Francisco : L. A. Larson · leaf 333
these instruments to-gether with the data supplied, the rate of flow in cubic ,feet per hour is very readily and accurately obtained. Foxboro Orifice Meters can be supplied in any sizeup to 12 inches. For anything larger than 12 inches,ppecial meters will be built. There, are two companies,each of… … Liquid Livtl Kecorders. _^_^__ This instrument is designed for recording tlie varyinglevels of rivers, reservoirs, canals, forebays ,tail races,etc. One especially good feature about this instrument isthat it is not affected by teimperature changes or feezing.For instance, the ice in a torebay or…
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