Print Specifics:
- Type of print: Copperplate engraving - Scarce original antique print:
- Year of printing: not indicated in the print. Actual: 1778 (indicated on the source's title page)
- Publisher: London, Printed for the Authors Rev. Erasmus Middleton, W. Turnbull, T. Ellis & J. Davison
- Condition: 1 (1.
Excellent - 2. Very good - 3. Good - 4. Fair).
- Dimensions: 8.5 x 13.5
inches (22 x 34 cm)
- Paper weight: 3 (1. Thick - 2. Heavier - 3. Medium heavy - 4. Slightly heavier - 5. Thin)
- Reverse side: Blank
- Note:
1. Green 'border' around the
print in the photo is a contrasting background on which the print was
photographed. 2. The print detail is sharper than the photo of the print.
Legend:
Illustrations include:
ASTROLABE: an instrument for taking the altitude of the sun or stars at sea.
ASTRONOMICAL QUADRANT: an instrument contrived to take the altitude, etc. of the heavenly bodies
in a very accurate manner. This instrument is generally made of brass, or wooden bars faced with plates
of iron, having its limb f e , (fig. 1.) divided either diagonally or otherwise into degrees, minutes,
and seconds, if possible, with two telescopes ; one fixed on the side of it, as ab , and the other cd movable upon the center, by means of the screw g . And, by the help of screws and the dentated wheels i , together with the screw k , it is easily directed to any object, or phenomenon.
ARCHIMEDES SCREW: consists of a long cylinder, with a hollow pipe,
tube, or groove coiled round it, as represented in fig. 3. where AB
represents the cylinder, and the tube open at each end. It is placed in
an oblique position to the horizon, with the lower end in the water to
be pumped away, the other end being supported on the lower part of the
winch A, by which the screw and cylinder are turned round.
ARMILLARY SPHERE: an artificial sphere, composed of a number of circles
of the mundane sphere, put together in their natural order, to ease and
assist the imagination, in conceiving the constitution of the heavens,
and the motions of the celestial bodies. (fig. 2.) The armillary sphere
revolves upon its axis within a silvered horizon, which is divided into
degrees, and movable every way, upon a brass supporter. The other parts
are the equinoctial, zodiack, meridian, the two tropicks, and the two
polar circles.
AMARANTA: or Amarante, an order of knight-hood instituted in the year
1653, by Christina, queen of Sweden, in memory of a masquerade, in
which she had affirmed that name, which literally signifies unfading or
immortal.
ASSAY OVEN
ATHANOR FURNACE: in chemistry, a kind of fixed and large, digesting furnace, so contrived, by means of a
tower, to keep up a constant, moderate heat, for a considerable time,
and which may be increased or diminished at pleasure, by shutting or
opening the registers.
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