Explains the function of common city objects whose purpose is often not understood, such as manhole covers, "not for deposit of mail" boxes, and standpipe connections.
- ISBN10 0671650807
- ISBN13 9780671650803
- Publish Date 1 January 1969
- Publish Status Active
- Publish Country US
- Imprint Simon & Schuster
- Format Paperback (US Trade)
- Pages 48
- Language English