v. (UN-2 3.)

1

1809.  Phil. Trans., XCIX. 120. Unclamp the apparatus.

2

1849.  Herschel, Astron., 106. Now unclamp the level, and … turn round the circle on the axis.

3

1860.  H. Stuart, Seaman’s Catech., 46. The outside men will … unclamp the booms.

4