BIG MONDAY CROSSWORD Daily Express

[Inglewood]

28a Area of computer memory from which high-speed retrieval is possible ?A?H?
29a In philosophy, the belief that one's self is all that exists or can be known
14d Unit of weight in the troy system equivalent to 0.73 kilograms

[scotgal]

28a cache
29a solopsism
14d pound

[stechford]

28A Cache
29A Solipsism, contrast spelling of previous answer!
14d The syntax of the clue is tortuous, but 'pound' is probably what they are after? 0.73 kg is very nearly, allowing for rounding errors in conversion, 240 troy ounces, i.e two troy pounds. (If you try www.loquax.co.uk/puzzles there are no fewer than 136 words corresponding to ?o??d, so take your pick!)
Stechford

[glasman]

In the troy system one pound = 0.373 kilograms.