Boil the potatoes in a weak white gravy till nearly done; stir in some cream and vermicelli, with three orfour blades of mace, and let it boil till the potatoes are sufficiently done, without being broken.
Set it over the fire in a sauce-pan, and add the celery gradually; also three or four blades of mace broken up.
When its color becomes a fine dark brown, add two glasses of port wine, and three or four blades of mace, powdered.
Shake the pan well for ten minutes, put in two quarts of water, some crusts of bread, a tea-spoonful of beaten pepper, and three or four blades of mace.
What are the corresponding proportions of screws of four blades?
Q--Were screws of four blades found to be more efficient than screws with two?
The French screw steamer Pelican was fitted successively with two screws of four blades, but the diameter of the first screw was 98.
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "four blades" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.