This variation will always be a gain of from two to four seconds in the higher grades of steel brass balances and usually more in cheaper balances.
To print from a very thin negative, then, instead of four seconds at eighteen inches, let us cover it with a sheet of tissue paper and give it four seconds at a distance of three or four feet and note the result on development.
If a black border is required the exposure of the margin must be extended three or four seconds.
With a good thin cloud, four secondsshould be quite enough, but you can easily settle this point on developing the first print.
Already an intermittent paleness had begun to sweep the sky ahead: a pulse of faint light, four seconds of darkness, the pulse again and eleven seconds of darkness--the Giant of Cap Frehel.
From the flight path he pointed out, the lights had crossed about 120 degrees of open sky in four seconds.
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "four seconds" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.