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OwnerHenry H. Welchinventor
Estimating the term…
Apparatus comprising in combination, an analytic circular stage rotatably mounted on a casing containing the whole apparatus, means to stepwise rotate said stage, a set of sample-carrying test tubes located in an annular array on said stage, a set of reaction test-tubes located concentrically and outside of said sample-carrying test tubes, aligned radially with said sample-carrying tubes so that two reaction test-tubes will coincide with each sample-carrying test tube, a first needle-carrying head located above said stage and destined to draw the sample and to add the reagents, and a second needle carrying head, located by side of the first cited head and destined to draw the liquid from the reaction tubes and to send it to the metering instruments.
A two-channel analyzer for the analysis of liquid samples comprising, in combination:
Dependencies are inferred from the claim text.