Trading Analysis for quarter end September 1956 with related correspondence.
Comprises: 

• Internal Lyons memo from David Caminer to TR Thompson, enclosing take-out figures from the June end accounts, comparing turnover with the budget, dated 30th Jul 1956;
• Trading Analysis sheets for LEO, p/e 20th Jul 1956;
• Trading Analysis sheets for Programming, Prime Cost Difference, Unit Cost Dissection, p/e 27th Jul 1956, 3rd Aug 1956 and 10th Aug 1956;
• Unit Cost Dissection table, September quarter, 1956;
• Internal Lyons memo from John Simmons to David Caminer, enclosing a note on LEO Budgets, 14th Aug 1956;
• Trading Analysis sheets for Programming, Prime Cost Difference, Unit Cost Dissection, p/e 17th Aug 1956;
  Internal Lyons memo from David Caminer to John Simmons, titled 'Work in Progress', giving his comments on the new Trading Analysis, 22nd Aug 1956;
• Trading Analysis sheet for LEO, p/e 24th Aug 1956;
• Trading Analysis sheets for Programming, Prime Cost Difference, Unit Cost Dissection, p/e 24th Aug 1956;
• Trading Analysis sheet for LEO, p/e 31st Aug 1956;
• Trading Analysis sheet for Programming, Prime Cost Difference, Unit Cost Dissection, p/e 31st Aug 1956;
• Internal Lyons memo from Mr Jenkinson to Mr Vine, LEO Programming Sept Quarter Budget, enclosing budget table for jobs (including remarks on each job), 4th Sep 1956;
• Internal Lyons memo from Mr Vine to Mr Jenkinson, LEO Costs - Work in Progress, 5th Sep 1956;
• Internal Lyons memo from Mr Vine to Mr Jenkinson, LEO Costs Adjustments, 5th Sep 1956, with handwritten note by DTC on reverse;
• Internal Lyons memo from Mr Vine to Mr Jenkinson, LEO Costs - Work in Progress, 21st Sep 1956;
• Trading Analysis sheet for LEO, p/e 7th Sep 1956;
• Trading Analysis sheet for Programming, Prime Cost Difference, Unit Cost Dissection, p/e 7th Sep 1956;
• Internal Lyons memo from David Caminer to Mr Vine, Sept. Qtr. Budget , 27th Sep 1956;
• Internal Lyons memo from David Caminer to Mr Vine, suggesting adjustments to the LEO Programming cost sheets, 27th Sep 1956;
• Handwritten notes adding up programming and calculator hours spent on various jobs [not David Caminer's hand?];
• Internal Lyons memo from David Caminer to Mr Vine, LEO Trading A/c Sept. Qtr. 1956, 10th Oct 1956;
• Trading Analysis sheet for LEO, p/e 14th Sep 1956, incl handwritten note:"Where is all our Test Programming going?";
• Trading Analysis sheet for Programming, Prime Cost Difference, Unit Cost Dissection, p/e 14th Sep 1956;
• Trading Analysis sheets for LEO, quarter end September 1956.

Provenance :
From David Caminer's papers.