“‘I suppose it is impossible to find out how high the elm was
dogcart ['dOgkA:t], scar [skA:], progressing ['pr@ugresIN]
“‘You can see where it used to be?’
“‘Oh, yes.’
“‘There are no other elms?’
“‘No old ones, but plenty of beeches.’
“‘I should like to see where it grew.’
“We had driven up in a dogcart, and my client led me away at once, without our entering the house, to the scar on the lawn where the elm had stood. It was nearly midway between the oak and the house. My investigation seemed to be progressing.
“‘I suppose it is impossible to find out how high the elm was?’ I asked.
“‘I can give you it at once
“‘How do you come to know it
“‘When my old tutor used to give me an exercise in trigonometry
“This was an unexpected piece of luck
“‘Tell me
“Reginald Musgrave looked at me in astonishment
‘Now that you call it to my mind
trigonometry [,trIg@'nOmItrI], height [haIt], argument ['A:gjum@nt]
“‘I can give you it at once. It was sixty-four feet.’
“‘How do you come to know it?’ I asked, in surprise.
“‘When my old tutor used to give me an exercise in trigonometry, it always took the shape of measuring heights. When I was a lad I worked out every tree and building in the estate.’
“This was an unexpected piece of luck. My data were coming more quickly than I could have reasonably hoped.
“‘Tell me,’ I asked, ‘did your butler ever ask you such a question?’
“Reginald Musgrave looked at me in astonishment.
‘Now that you call it to my mind,’ he answered, ‘Brunton did ask me about the height of the tree some months ago, in connection with some little argument with the groom,’