Fig. 3.
Fig. 3. A detailed diagram of a clock face. It features a large outer dial with Roman numerals (II, III, IV, V, VI, VII, VIII, IX, X, XI, XII) and minute markings. Inside this is a smaller dial with Arabic numerals (1-12). At the top, there is a small circular dial with Roman numerals (V, VI, VII, VIII, IX, X, XI, XII) and a hand labeled 'B'. The entire assembly is mounted on a dark, arched wooden case.
Fig. 3.
Fig. 3. A detailed diagram of a clock face. It features a large outer dial with Arabic numerals (1-12) and minute markings. Inside this is a smaller dial with Roman numerals (II, III, IV, V, VI, VII, VIII, IX, X, XI, XII). At the top, there is a small semi-circular dial with Roman numerals (I, II, III, IV, V, VI, VII, VIII, IX, X, XI, XII) and a hand labeled 'C'. At the bottom, there is another semi-circular dial with Roman numerals (I, II, III, IV, V, VI, VII, VIII, IX, X, XI, XII) and a hand labeled 'A'. A central hand labeled 'B' points to the outer dial.
Fig. 1.
Fig. 1. A detailed diagram of a mechanical clock movement. It shows a complex arrangement of gears, levers, and a large winding barrel. Various parts are labeled with letters: A, B, C, D, E, F, G, H, I, K, L, M, N, O, P, Q, R, S, T, U, V, W, X, Y, Z. A weight is attached to the bottom, and a pendulum is shown on the right.
Fig. 4.
Fig. 4. A diagram showing the relationship between a pulley and a clock face. A large circle represents the clock face with Roman numerals (II, III, IV, V, VI, VII, VIII, IX, X, XI, XII). A smaller circle, labeled 'Pulley', is positioned above it. A hand labeled 'B' points to the pulley. A line labeled 'A' connects the pulley to the clock face. The word 'Clock' is written vertically at the bottom.
Fig. 2.
Fig. 2. A diagram of a gear mechanism. It shows a gear with teeth labeled 'K' and a central hub labeled 'R'. A hand labeled 'D' points to the gear. A small semi-circular dial with Roman numerals (I, II, III, IV, V, VI, VII, VIII, IX, X, XI, XII) is also shown.
Faint architectural drawing of a circular structure with Roman numerals.A large, faint architectural drawing of a circular structure, possibly a clock face or a sundial. It features Roman numerals (I, II, III, IV, V, VI, VII, VIII, IX, X, XI, XII) around the perimeter. The center contains a circular element with internal lines and a cross-like shape. The drawing is heavily water-stained and faded.
Faint architectural drawing of a rectangular structure with an arch.A faint architectural drawing of a rectangular structure, possibly a window or a doorway. It features a central arch and decorative elements. The drawing is heavily water-stained and faded.
Fig. 6.
Fig. 6. A diagram showing three overlapping circles. The top circle has points E, D, C, and e. The middle circle has points C, B, and o. The bottom circle has points A, Valley, and no. Two vertical lines labeled 'Cord' extend downwards from the bottom circle.
Fig. 7.
Fig. 7. A large circular clock face with Roman numerals. Inside the clock face are several concentric rings. The outermost ring contains text: 'The Moon's Age', 'Time of Her Rising and Setting', 'Longitude', 'Latitude', 'Meridian', 'Equinoctial', 'Tangent', and 'Conter'. A central grid is also visible. A hand points to the 10 o'clock position.
Fig. 9.
Fig. 9. A mechanical diagram of a clock mechanism. It shows a vertical rod labeled 'G' passing through a curved component labeled 'H'. There are four small circles labeled 'R' on either side of the curve. Below this is a large circle labeled 'D' with points 'A' and 'B' on its circumference. A smaller circle labeled 'C' is to the left. A horizontal rod labeled 'Po' extends from the right side of the mechanism.
Fig. 8.
Fig. 8. A circular diagram with Roman numerals around the perimeter. Inside are several concentric rings with various markings and numbers. A small circle is located on one of the rings. A compass rose is in the upper left corner.

PLATE XXIX

PLATE XXIX

A complex technical drawing featuring a large central circular diagram with Roman numerals, surrounded by various smaller circular and geometric elements, including a vertical column of circles on the right and a cluster of circles at the bottom.This is a technical drawing, likely a plate from a scientific or mathematical work. The central feature is a large circular diagram with Roman numerals (I, II, III, IV, V, VI, VII, VIII, IX, X, XI, XII) around its perimeter. Inside this circle are concentric rings and a horizontal line. To the right of the central circle is a vertical column of several smaller circles, some of which contain internal markings. At the bottom of the page, there is a cluster of circles, some of which are connected by lines, suggesting a mechanical or geometric system. The drawing is rendered in a light, faded style on aged paper.

CLOCK.

PLATE CXLVIII.

Fig. 11.

Fig. 11: A circular diagram showing a large circle A with points B and C. Inside are two smaller circles, one with center c and the other with center g. Points d and h are marked on the inner circles.
Fig. 12: A complex gear mechanism diagram. It shows a central gear with a smaller gear meshing with it. Points L, S, E, Q, P, D, H, and T are labeled. A horizontal line connects D and H.

Fig. 10.

Fig. 10: A diagram of a clock face with Roman numerals. A sphere is positioned in the center, with a small figure on top. A ramp or inclined plane is shown below the clock face, with points A, C, D, S, and E labeled.

Fig. 13.

Fig. 13: A large and detailed mechanical clock mechanism. It features multiple gears of various sizes, including a large gear G and a smaller gear A. A central gear E is connected to a gear F. A pendulum is shown at the bottom. Points R, K, Q, L, X, I, H, C, D, V, Y, and 1/4 are labeled throughout the mechanism.

Fig. 8.

Fig. 8: A simple diagram showing a horizontal rod with a ball at one end and a lever at the other. Points P, H, and L are labeled.

Fig. 12.

Fig. 12: A diagram showing a circle with center M. A point P is on the left side, and a point F is on the right side. A vertical line passes through M. Points A and B are on the circle. A horizontal line connects P and F. Points E, H, and E are also labeled.

Fig. 15.

Fig. 15: A diagram showing four overlapping circles. A vertical line passes through the centers of the circles. Points G, F, E, D, C, a, b, and c are labeled. A horizontal line is labeled H at both ends.
Technical drawing of a large gear mechanism on a base.A technical drawing showing a large gear mechanism. The gear is mounted on a horizontal base. A vertical shaft passes through the center of the gear, and a horizontal arm extends from the side of the gear.
Technical drawing of a gear mechanism with a central hub.A technical drawing of a gear mechanism. It features a central hub with a gear-like outer ring. A vertical shaft passes through the center, and a horizontal arm extends from the side.
Technical drawing of a gear mechanism with concentric circles.A technical drawing of a gear mechanism. It shows a central hub with a gear-like outer ring. A vertical shaft passes through the center, and a horizontal arm extends from the side.
Technical drawing of a gear mechanism with a central hub and a horizontal arm.A technical drawing of a gear mechanism. It features a central hub with a gear-like outer ring. A vertical shaft passes through the center, and a horizontal arm extends from the side.
Technical drawing of a gear mechanism with a central hub and a horizontal arm.A technical drawing of a gear mechanism. It features a central hub with a gear-like outer ring. A vertical shaft passes through the center, and a horizontal arm extends from the side.
Technical drawing of a complex gear mechanism with multiple gears and a central hub.A technical drawing of a complex gear mechanism. It features multiple gears of different sizes, some with teeth and some without. A central hub is at the top, and a vertical shaft passes through it. A horizontal arm extends from the side.
Technical drawing of a gear mechanism with three overlapping circles.A technical drawing of a gear mechanism. It features three overlapping circles of different sizes. A vertical shaft passes through the center of the circles, and a horizontal arm extends from the side.
Technical drawing of a gear mechanism with two large gears and a central hub.A technical drawing of a gear mechanism. It features two large gears of different sizes, some with teeth and some without. A central hub is at the top, and a vertical shaft passes through it. A horizontal arm extends from the side.