Contractors' and Dealers' Association of California · San Francisco : L. A. Larson · leaf 412
mperature of the wet l>ulb and the dry bulb arerecorded sido by side on the chart and by referring thesereadings to a table or chart the actual percentage ofrelative humidity can be determined. Lone-Distanre Klectric Tliermometer. This demonstration equi|iirient is arranged to measurethe… … Switclihoard with A. f. Recorders for Volts, Amperes,Watts, fycles and Power Factor. This board includes recording instruments as followsja Voltmeter, an Ammeter, two Wattmeters, FrequencyMeter, and Power Factor Meter. P.i\-.\3IERI(A]V ROAD CONGRESS. A. R. Fletcher, State Highway Engineer of…
Architecture · Building · Construction industry · Engineering
Internet Archive · Public Domain Mark 1.0. Free to use for anything.
