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Map Collection |
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Map, Hertfordshire, scale about 3 miles to 1 inch, in the 20th edition of Robson's Commercial Directory of the Seven Counties ..., published by William Robson and Co, London Directory and Court Guide Office, 4 Cloak Lane, Cheapside, London, 1839. |
| inscription:- | printed -on- upper left HERTFORDSHIRE |
| inscription:- | printed -on- bottom William Robson and Co. Drectory Office London |
| scale line:- | 10 miles = 90.9 mm |
| dimension:- | wxh, sheet = 47x39.5cm |
| wxh, map = 451x354mm | |
| scale = 1 to 180000 ? (1 to 177046 estimated from scale line) | |
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| MN: 11.6.2002 |