Also -gage, -guage. [COUNTER- 8.] (See quots.)
1727–51. Chambers, Cycl. Counter-gage, in carpentry, a method used to measure the joints, by transferring, v.gr. the breadth of a mortise to the place in the timber where the tenon is to be, in order to make them fit each other. [So in Bailey (vol. II. 1731), Builder’s Dict. (1734), Nicholson, Pract. Builder (1823), 583, Gwilt, etc.]
1874. Knight, Dict. Mech., Counter-gage, an adjustable, double-pointed gage for transferring the measurement of a mortise to the end of a stick where a tenon is to be made, or vice versa.
