A water-filled glass lamp, a house plan and a materials list
How to make a bright water-lamp, with named rooms of a dwelling and a column of materials
The sheet gathers a household plan, a list of materials and studies for a glass lamp. Within a small floor plan the rooms are named — pantry, kitchen and courtyard — while a column at the top lists materials such as turpentine, earth and cloth-shearings against quantities. The principal note explains that a thin glass ball filled with water “will give great light,” and a second gives directions for making it: round the ball with emery, mark the opposite point with a plumb-line, cut a matching hole, and fix a long open jug through it with mastic. Ornate lamp-stands and a baluster vase are drawn alongside.
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How to make the glass water-lamp
First have the ball made as round as possible, and smooth its hole with emery. Drop a plumb-line through the middle, mark where it strikes below, and cut a matching hole there. Then fit a long bottomless jug (zaina) through the middle of the ball and weld the parts together with mastic.
A ball of water that gives great light
Labelled “Water — Water” within the sphere of the lamp, the note states that this ball, being of thin glass and full of water, will give great light — a water-filled globe used to gather and amplify a flame's illumination.
Plan of a dwelling with named rooms
Room labels are written into the plan drawing: pantry, kitchen and courtyard, with 'head' and 'foot' marking the top and bottom of the layout.
Materials with quantities
A column at the top lists items against numbers — turpentine (2), a lining cloth (640) and others — alongside earth and cloth-shearings.