Spencer's Metric Conversion Tables, compiled by R L and P A Fanthorpe.  A ready reckoner book of weights and measures from the 1970s, with tables and also "Graph-type" charts.  Intended to ease the United Kingdom into the imminent full adoption of the European metric system.  This is the 1976 reprint of the book first published in 1970.  Paperback.

126 pages.  Weight 100g.

Condition

Vintage book, several decades old but still in good usable condition.  Pages are clean and tidy. Covers are scuffed, with light creasing.  The details of the book have been written along the bottom edge of the pages, as shown.