If not readily possible, then cover up as much of the rest of the machine as possible to prevent bits getting in, and proceed as follows. Expose as much of the roller surface as possible, and pass the coarse glass paper supported by the smooth piece of wood, up and down the roller lengthwise to take out all the hollows. Contiinue this until all have just but only just been taken out. then give a final smooth up with the fine glass paper, clean all dust, etc., well off, and replace everything with a piece of paper in position ; try the letters, etc., once more. They outrht now to be quite uniform, if not it may be that there is still some undetected hollow present : examine well. When correct, type a line at the top of the paper, and then one at the bottom or near it; take the paper out of the machine and measure the distance between the two lines at each end of the lines. These measurements should be exactly equal ; if they are then the roller is parallel. If the lines are not at equal distances at both ends then it means that the two lines are not parallel, and the roller is not a true cylinder, and must be rubbed down at the large end until it makes the typed line parallel. A series of full stops is the best thing to type to measure between.

(12) ;Finger Keys Loose On Keyboard

These are generally attached to the levers by small screws ; examine and tighten.

(13) ;Line Of Impressions Drops Suddenly In Level

Due most likely to the rotating device of the paper platen having rotated it, say one and one-half teeth instead of two teeth, working for say half a line like this, and then the machine vibration then shaking the roller round to the correct position of two teeth, and this results in the line of impression dropping the same distance.

(11) Filling New, Or Fastening Old Type Blocks

It will be very generally found that these are soldered on to the type bars or levers. All that is necessary is to very well solder them, making quite certain that they are in exactly the right position. After soldering, test by typing on a piece of paper, and persist in adjusting by reheating and moving slightly until they are absolutely right, as on their position depends the nice appearance of the typed work.

(15) Capitals and Small Letters are not egually impressed.-This must be that the type blocks of the letter concerned are not exacUy at the correct angle so that the capital and the small letter on that block do not hit the paper with exactly the same weight of stroke. If the type bar concerned cannot be bent to correct the fault then the block must be unsoldered, adjusted, and resoldered, and again tested, and this repeated if still necessary.

It is not difficult to arrange that the number of words typed by a typewriter be counted by an attachment. Between each word typed the space bar is operated, and at the end of each line the space bar is generally not operated; therefore an attachment to count the number of times the space bar is depressed will give a figure, which can be corrected if required by adding a number of words equal to the number of lines typed. Another way to get at the correction would be to count the number of words in an average line ; if this was say 11, it will be found that the space bar has been depressed 10 times only, therefore an addition of 10 per cent, to the counter figures would give the correct number.

Of course the typist can get the correct figure recorded on the counter if he or she will always depress the space bar at the end of a line, and this is really the better way. Most space bars have a vertical movement of about fin., and this is ample to operate a counter of, say the Veeder type. It is not really necessary to get one of such type that the figures can be set to zero each time a new count is wanted, but if so arranged that the figures are right way up, it is easy to put down the reading before the typing starts, and subtract these from the reading at the end of the work. In using such or similar counting devices it is always advisable to ask oneself whether the number arrived at appears likely and reasonable, and thus check whether the figure has been read properly.