Section on Line ST (see in Drawing NO.3) of the Building at the South Western Angle (ground floor: Practise of Physics , 1st floor Chemistry Class )
texts on the back of this plan- Edinburgh 24th January 1818 This is number ten of the seventy two and referred to in the contract for certain work at the college signed by us of this date and of the 14th instant (signature) Kincaid Mackenzie (Lord Provost), Peter Lorimer, John Inglis (builders)
On the reverse of the drawing: Black ink pen watercolour layers (pink, yellow, deep pink, orange, grey, sky blue, deep grey )