| DCS # | DEMONSTRATION | REFERENCE | ABSTRACT |
|---|
| 4B60.00 | Mechanical Equivalent of Heat | | |
| 4B60.10 | dropping lead shot | PIRA 200 | Drop a bag of lead shot is dropped several times and measure the temperature rise. |
| 4B60.10 | dropping lead shot | 4B60.10 | A bag of lead shot is dropped several times and the temperature rise is measured. |
| 4B60.10 | work into heat | He-1 | Drop lead shot in a bag several times and compare the temperature before and after. |
| 4B60.10 | dropping lead shot | 26-4.2 | The temperature of a bag of lead shot is taken before and after being dropped repeatedly. A diagram of a projection thermometer is given. |
| 4B60.11 | invert tube of lead | PIRA 1000 | |
| 4B60.11 | dropping lead shot | H-176 | One or two Kg of lead shot in a mailing tube are inverted 100 times and the temperature rise is measured. |
| 4B60.11 | mechanical equivalent of heat | Disc 15-02 | Flip a one meter tube containing lead shot ten times. A thermistor embedded in one end measures the temperature. |
| 4B60.12 | heating mercury by shaking | H-174 | A nichrome - iron wire thermojunction is inserted into a bottle of mercury which is shaken vigorously. |
| 4B60.15 | hammer on lead | PIRA 1000 | |
| 4B60.15 | hammer on lead | 4B60.15 | Hammer on a piece of lead that has an embedded thermocouple. |
| 4B60.15 | hammer on lead | 26-4.7 | Hammer on a piece of lead to heat it. A simple air thermoscope is shown. |
| 4B60.15 | heating lead by smashing | H-175 | Hit a 250 g lead block with a heavy hammer and show the temperature rise. |
| 4B60.16 | drop ball on thermocouples | 26-4.3 | A steel ball is dropped onto an anvil holding a set of thermocouples embedded in solder beads. |
| 4B60.20 | copper barrel crank | PIRA 1000 | |
| 4B60.20 | copper barrel crank | 4B60.20 | Crank a copper barrel that has copper webbing wrapped around it while under tension and measure the temperature rise of the water inside the barrel. |
| 4B60.20 | mechanical equivalent of heat | He-3 | The temperature of a copper barrel filled with water with a copper braid under tension wrapped around it is measured before and after cranking. |
| 4B60.22 | motorized mech. eq. of heat | AJP 28(9),793 | Continuous flow apparatus with counter rotating turbines powered by an electric motor. |
| 4B60.23 | Searle's apparatus | H-177 | Searle's apparatus is used to obtain a numerical value of Joule's equivalent. Picture. |
| 4B60.24 | mech eq of heat | H-178 | Picture of an elaborate apparatus to measure the mechanical equivalent of heat. Derivation. |
| 4B60.41 | heating by bending | H-172 | Pass around a No. 14 iron wire for the students to bend. |
| 4B60.50 | bow and stick | PIRA 1000 | |
| 4B60.50 | bow & stick | H-171 | How to make a fire with a bow and stick. |
| 4B60.55 | boy scout fire maker | PIRA 500 | |
| 4B60.55 | boy scout fire maker | 4B60.55 | |
| 4B60.55 | fire maker | He-2 | A motor shaft extended with a hardwood dowel is held against a wood block. |
| 4B60.55 | drill and dowel | Disc 15-01 | Chuck up a dowel in an electric drill and make smoke by drilling a board. |
| 4B60.60 | flint and steel | H-170 | Sparks from flint and steel or a grindstone show heat from work. |
| 4B60.70 | cork popper | PIRA 1000 | |
| 4B60.70 | friction cannon | H-169 | Pour ether, alcohol, or water into a tube, cork, and spin by a motor until the frictional heat causes enough vapor pressure to blow the cork. |
| 4B60.70 | ether friction gun | H-5a.3 | Heat ether by a motor driven friction device until a cork blows. |
| 4B60.70 | cork popper | Disc 15-08 | Water is heated in a stoppered tube by a motorized friction device until the cork blows. |
| 4B60.75 | steam gun | H-5a.2 | Heat a tube until the cork pops off. |