| 释义 |
▪ I. romer|ˈrəʊmə(r)|
Also Romer.
[Named after Carrol Romer (1883–1951), British barrister, who invented it.]
A small piece of plastic or card with scales along two edges meeting at a right angle, or (if transparent) bearing a grid, used for measuring the map reference of a point within the grid printed on a map.
1933Geogr. Jrnl. LXXXII. 47 This Romer, as it was called after the gentleman who invented it. 1943F. F. Crossley Map Reading iii. 15 In order to facilitate the estimation of the last figure of the reference it is useful to construct a Romer... The sides of the Romer are subdivided into tenths. 1960S. Turner Rallying 38 The cross-roads might thus be given as 25401464. For plotting of this accuracy a romer is necessary. 1963P. Drackett Motor Rallying iii. 41 Lining up the Romer so that one straight edge of the rectangle is in line with 386 and the straight edge meeting it is in line with 443, the point of bisection gives the place referred to. 1969G. C. Dickinson Maps & Air Photographs viii. 114 Of course a different romer is needed for each scale. 1975J. B. Harley O.S. Maps ii. 24 A point..can be indicated still more closely by estimating the tenths of the appropriate grid square either by eye or by means of a romer.
▪ II. romer
obs. form of rummer. |