Description
Offset scale graduated to measure metres at scales of 1/30 and 1/40.
Used for plotting survey information onto plans. A particular use was to plot offsets at right angles to a land chain.
2015/006
Offset scale graduated to measure metres at scales of 1/30 and 1/40
c.1930
Offset scale graduated to measure metres at scales of 1/30 and 1/40.
Used for plotting survey information onto plans. A particular use was to plot offsets at right angles to a land chain.
Acquisition Number | 2015/006 |
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Item Type | |
Short Description | Offset scale |
Manufactured by | |
Date of Manufacture | c.1930 |
Sub-items | None |
Supporting Items | None |
Makers Number | None |
Marks | "ROC" scratched lightly on front. |
Dimensions (mm) | 50 x 31 x 3 |
Donor | Professor Roland Paxton FMBE PhD DEng FRSE CEng FICE, Edinburgh |
Date Donated | May 2015 |
Materials | Wood |
Condition | Good |
Display Location |