Difference between revisions of "Topping lift"

Latest revision as of 12:13, 15 February 2009

8-3-040

The tackle which takes the weight of a derrick and its load and controls the angle of elevation of the derrick.

Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)

Latest revision as of 12:13, 15 February 2009 (view source) Oferiks (talk \| contribs) m (1 revision) ← Older edit	Latest revision as of 12:13, 15 February 2009 (view source) Oferiks (talk \| contribs) m (1 revision)
(No difference)