1 item
‘Experiments, Practical Working etc., of J. Gray’s Patented Improvements in Steam Engines, etc.'
Notation of the reduction of the four equations. Reduction of four simultaneous equations in four variables to three simultaneous equations in three variables
one sheet
two sheets
three sheets
one sheet and one loose enclosure
1 sheet
On putting letters to drawings, in draft.
Principles to be followed in the description of the constituent portions of the Analytical Engine.
Overall, 760mm x 1016mm
nine sheets
1 daguerreotype
