glass-grinding

The stoppers must in this case be finished with "two seconds" emery, and lastly with pumice dust and water (see chapter on glass-grinding).

On Laboratory Arts Richard Threlfall

The glass-grinding tool is converted into a polishing tool by pasting

On Laboratory Arts Richard Threlfall

The glass-grinding tools being brought to the proper figure, the next process is to transfer the same to the lens, and this is done by similar means, the fellow tool being used to correct the one employed in grinding the lens surface.

On Laboratory Arts Richard Threlfall

The two glass-grinding tools are then ground together by hand (see § 53 and § 61), the spherometer being employed from time to time to check the progress of the work.

On Laboratory Arts Richard Threlfall

I ought to say that I think a good deal of glass-grinding, as practised in laboratories, might be advantageously replaced by glass turning or filing and certainly will be by any one who will give these methods a trial.

On Laboratory Arts Richard Threlfall

The method of grading emery will be described in the chapter on glass-grinding.

On Laboratory Arts Richard Threlfall

Having no friends, and but a small allowance to subsist on, he fell under great miseries there, and on his return to Town, those who had formerly employed him in glass-grinding, taking distaste at his rude and wicked behaviour, refused to have anything more to do with him.

Lives of the Most Remarkable Criminals Who have been Condemned and Executed for Murder, the Highway, Housebreaking, Street Robberies, Coining or other offences Arthur L. Hayward

Having no friends, and but a small allowance to subsist on, he fell under great miseries there, and on his return to Town, those who had formerly employed him in glass-grinding, taking distaste at his rude and wicked behaviour, refused to have anything more to do with him.

Lives Of The Most Remarkable Criminals Who have been Condemned and Executed Hayward, A L 1735