Liebig condenser and archimedes’ screw: what they have in common
- Step 1. Liebig condenser — works like — Separate condenser. Condensing vapour by cooling.
- Step 2. Separate condenser — uses — Latent heat. Watt drew on Black’s research on latent heat.
- Step 3. Latent heat — is used in — Ice cream maker. Ice with salt draws away heat.
- Step 4. Ice cream maker — has part — Crank. A handle.
- Step 5. Crank — is part of — Archimedes’ screw. A handle or rotary drive.