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MECHANICS.
MECHANICS.
£ s. d.
The mechanical powers, for illustrating and demonstrating the laws of motion, gravity, &c. in brass, upon four mahogany stands, consisting of the different levers, the pulleys, inclined plane and wedges, the wheel and axle, the screw, compound engine, &c. . ,£18 to 28 0 0
Attwood’s elegant and accurate apparatus, for demonstrating accelerated and retarded motion of falling bodies, and other interesting laws .£18 to 28 0 0
Whirling table, for explaining and demonstrating the laws of planetary motion, the doctrine of tides, and other properties of gravity and centrifugal force..... £18 18s. to 28 0 0
A small brass carriage, with inclined plane, and wheels of different sizes, experimentally proving the friction, resistance, &c. of all sorts of wheel carriages . . . . £8 8s. to 12 12 0
Wheel carriage, with broad conical wheels and road way, for shewing the great friction of those wheels on the road . . . £3 3s. to 5 5 0
Working and dissected models of the various mechanical apparatuses, machines, &c. on a large or small scale made to order.
FINIS.
N ichols and Sons, Printers, Earl’s Court, Cranbourn Street.