a. [f. as prec. + -ICAL.] = prec.
1665–6. Boyle, in Phil. Trans., I. 181. Barometrical Observations (as for brevities sake I use to call them).
1713. Derham, Phys.-Theol., 17, note. J. Patrick, who, as he is very accurate in making Barometrical and Thermometrical Instruments.
1751. Johnson, Rambl., No. 117, ¶ 9. A complete treatise of barometrical pneumatology.
1874. Hartwig, Aerial W., i. 5. The range of barometrical variations.
