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SCALES WITH A WEIGHT SET

Posted by on 06-04-2015 in Mechanics

Number in the past inventory 2837 Number in the current inventory 21 INSTRUMENT: SCALES WITH A WEIGHT SET Age: beginning of the twentieth century Creator: / Materials: Cast iron, copper, iron Size: (390x165x130) mm State of conservation: Good Information: From the information contained in the old inventory register, found in the school, the instrument is said to have been added to the inventory with the number 2837 on 26th June 1928 priced at 750 liras. Description: The instrument consists of a rectangular base made of cast iron, on which the yoke of the scales rests. The yoke has arms of the same length and a knife which goes through its fulcrum. At equal distance from the fulcrum there are two knives fixed in the arms. A complex system of suspension allows the barycenter of the loads on the pans...

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A SIPHON BAROMETER

Posted by on 06-04-2015 in Mechanics

Number in the past inventory 3072 Number in the current inventory 301 INSTRUMENT: A SIPHON BAROMETER Age: beginning of the twentieth century Creator: / Materials: Brass, wood and glass Size: (80 X 1160 X 22) mm State of conservation: Good Information: From the information contained in the old inventory register, found in the school, the instrument is said to have been added to the inventory with the number 3072 on 10th March 1924 priced at 600 liras. Description: A U-shaped glass tube with unequal arms is fixed with brass clamps on a wooden rectangular support. The shorter side is closed at the end, the long side ends with a cylinder of larger radius. At the side of the tube there is a metric scale written with ink. On its short side these words are written: “Atmosphären = Druch Volumen...

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A BAROGRAPH

Posted by on 06-04-2015 in Mechanics

Number in the past inventory 2892 Number in the current inventory 81 INSTRUMENT: A BAROGRAPH Age: beginning of the twentieth century Creator: P.G. Garofalo Ottici, Palermo, Italy Materials: Wood, paper, mercury, glass, brass, ivory Size: (146 x 290 x 177) mm State of conservation: Good Information: From the information contained in the old inventory register, found in the school, the instrument is said to have been added to the inventory with the number 2892 on 28th May 1942 priced at 6,750 liras. Description: The instrument is kept in a wood box with glass side walls, with a brass handle and a label where it is written: “Barometro olosterico di precisione P.G.Garofalo Ottici Palermo” The holosteric barograph consists of a round metal box with a flexible and corrugated cover. The box is empty. The instrument is made up of a...

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A WOODEN CAPSTAN

Posted by on 06-04-2015 in Mechanics

Number in the past inventory 2829 Number in the current inventory 10 INSTRUMENT: A WOODEN CAPSTAN Age: beginning of the twentieth century Creator: / Materials: Wood Size: (420 x 320 x 250) mm State of conservation: Good Information: From the information contained in the old inventory register, found in the school, the instrument is said to have been added to the inventory with the number 2829 on 26th June 1928 priced at 460 liras. Description: On a rectangular frame a cylinder is fixed, free to rotate around its axis. At the end of this axis there is a small cylinder with 4 bars which radiate from it. The balance of the system is ensured by two wooden arcs fixed on the lower part of the frame, and on the top by another bar through which the axis of the...

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MASON’S LEVEL

Posted by on 06-04-2015 in Mechanics

Number in the past inventory 2841 Number in the current inventory 25 INSTRUMENT: MASON’S LEVEL Age: beginning of the twentieth century Creator: / Materials: Wood, iron, brass Size: (300 x 300) mm State of conservation: Excellent Information: From the information contained in the old inventory register, found in the school, the instrument is said to have been added to the inventory with the number 2841 on 26th June 1928 priced at 450 liras. Description: The instrument is made of two wooden bars 11 mm thick, stuck at right angles. Its free extremities are sectioned at 45 degrees and support the instrument on a level surface. Between the two bars there is a wooden arc of circumference, on which brass graduated scales are screwed, with zero in the centre, from 30 degrees to +30 degrees, divided into sections of 2...

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AN APPLIANCE TO DEMONSTRATE BOYLE’S LAW

Posted by on 06-04-2015 in Mechanics

Number in the past inventory 3077 Number in the current inventory 307 INSTRUMENT: AN APPLIANCE TO DEMONSTRATE BOYLE’S LAW Age: beginning of the twentieth century Creator:/ Materials: Wood, cast iron, mercury, glass, brass, iron Size: (1170 x 260 x 25) mm State of preservation: Good Information: From the information contained in the old inventory register, found in the school, the instrument is said to have been added to the inventory with the number 3077 on 10th March 1924 priced at 9,450 liras. Description: A rectangular wooden base set upright on a cast iron tripod. On the base there are two glass tubes of different lengths and two wooden metrics bars. The short side ends with a tap and a spout, instead the long side ends with a security bubble. The two pipes underneath are inserted in a metal tube...

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MORIN FALL MACHINE TO STUDY THE PARABOLIC TRAJECTORY OF A LIQUID

Posted by on 06-04-2015 in Mechanics

Number in the past inventory 2825 Number in the current inventory 6 INSTRUMENT: MORIN FALL MACHINE TO STUDY THE PARABOLIC TRAJECTORY OF A LIQUID Age: beginning of the twentieth century Creator: / Materials: Wood, brass and metal Size: (3.46 x 0.86 x 2.95) mm State of conservation: Good Information: From the information contained in the old inventory register, found in the school, the instrument is said to have been added to the inventory with the number 2825 on 26th June 1928 priced at 7,000 liras. Description: On a rectangular wooden base, which rests on four adjustable brass supports, there is a metal bowl for the collection of the liquid. On the same base there is a wooden panel, and, on its vertical frame, there is a tube, which links a cylindrical brass container with a tap to an adjustable...

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A WINCH WITH A BRASS WEIGHT

Posted by on 06-04-2015 in Mechanics

Number in the past inventory 2828 Number in the current inventory 9 IMSTRUMENT: A WINCH WITH A BRASS WEIGHT Age: beginning of the twentieth century Creator: / Materials: brass, wood, string Size: (215 x 174 x 330) mm State of conservation: Good Information: From the information contained in the old inventory register, found in the school, the instrument is said to have been added to the inventory with the number 2828 on 26th June 1928 priced at 1,650 liras. Description: The instrument is constituted of a wooden tripod (one of the side bars is missing) which supports a wooden cylinder free to rotate around its axis which is connected to a brass handle. A string supporting a brass weight (Ø 50 x 80) is fixed to the cylinder with a screw in a position opposite the handle. Use: The...

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