The conservatism of sailors led to the continued use of an old-fashioned Gunter's Scale and a pair of dividers to carry out the operations of the slide-rule.
Ukuqhwayela emva koomatiloshe kwakhokelela ekubeni kusetyenziswe undalashe wesikali sikaGunter kunye nezahluli ezibini ukwenza umsebenzi womthetho wokutshebeleza.