Pages Navigation Menu

News

Most Recent Articles

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 to pass through the midpoint of the respective knives and the weight force to be directed perpendicularly to the knives themselves. The pans are supported by two bars, one perpendicular to the other, which articulate with the yoke of the scales. Those which are turned towards the central knife hold respectively two indicators of balance representing two birds. On the top surface of the base, on the two sides, they are represented as a star...

Read More

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 –Luft nach Atmosphären- Druch”. There also two symmetrically graduated scales. Use: Mercury is poured into the tube so that initially the level corresponds to the zero line marked on the scales. In the closed side a certain volume of air at atmospheric pressure will remain confined. Adding the mercury in order to reduce in half the volume of the air the difference in height between the two branches is measured and this will be equal...

Read More

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...

Read More

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...

Read More

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...

Read More

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...

Read More

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...

Read More

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....

Read More

A SPIRAL THERMOMETER

Posted by on 06-04-2015 in Thermodynamics

Number in the past inventory 2897 Number in the current inventory 86 INSTRUMENT: A SPIRAL THERMOMETER Age: beginning of the twentieth century Creator: Abraham-Louis Breguet (1747-1823) (A famous watchmaker from Paris) Materials: wood, glass, brass, velvet porcelain, iron, zinc, silver gold, platinum Size: (205, Ø 165) 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...

Read More

INCLINED PLANE

Posted by on 06-04-2015 in Mechanics

Number in the past inventory 2877 Number in the current inventory 66 INSTRUMENT: INCLINED PLANE Age: beginning of the twentieth century Creator: / Materials: Cast iron, brass, iron Size: (290 x 72) 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 2877 on 26th June 1928 priced at 2,550 liras. Description: It’s formed by two...

Read More