NYPL Map Warper: Historical maps of New York and beyond, aligned to the modern map by volunteers. old-maps.co.uk: Historical Ordnance Survey maps of Great Britain by address.
| NYPL Map Warper | old-maps.co.uk | |
|---|---|---|
| Category | Historical & Old Maps | Historical & Old Maps |
| Coverage | New York and beyond | Great Britain |
| Updates | Static archive | Static archive |
| Data source | NYPL Map Division | Historical Ordnance Survey maps |
| Made by | New York Public Library | Landmark Information Group |
| Price | Free | Free + paid plan |
| Account | No account needed | No account needed |
| On phones | Best on a computer | Works well on phones |
| Map view | Flat map | Flat map |
| Visits from ColorfulMaps | 0 | 0 |
| Open map | Open map |
What you can do with NYPL Map Warper
- Thousands of georeferenced historical maps
- Overlay on modern maps
- Help rectify maps yourself
What you can do with old-maps.co.uk
- Search historical OS maps by postcode
- Several dates per location
- Order prints
Summary based on public information. Check each map's website for current features and prices.