Here are specimens of our new slotted brass corners, so handsome and useful to the skilled printer. See how accurately the slotted pieces fit in one another, so that you cannot detect the joint. Are they not effective? Our brass is carefully rolled by the best manufacturers in the country, and is sent to us in strips or in sheets. That wicked-looking shears yonder cuts up the thinner brass with as much unction as Commissioner Yeh’s executioner slices off heads: the thick brass goes under a circular steam-saw. [Illustration: STEREOTYPE BLOCK.] Now, sir, while we are up here, we will peep into the printers’ furnishing-room. Isn’t this a beautiful stereotype-block? Doesn’t it do your eyes good to look at such perfect workmanship? And these brass galleys, and mahogany galleys and composing sticks, are they not admirable? Our effort in this department, as in all others, is to do our work well. All our miscellaneous wood-work is done here,—stands, racks, drawers, stereotype and packing boxes, &c. Some curious work has been designed and executed for the Smithsonian Institution, as well as brass ciphering-frames for the blind. Ah, we forgot to show you our large-type room. On our way to the electrotype department, we will glance in it. The types you see here cool too slowly to be cast in a machine, so we continue to pour them. Look over the drawers, and see the multitude of patterns. Some men fancy one style, and some another. So we try to meet all tastes. Feel how solid the type is. You can’t squeeze the life out of that type on a power-press. No, indeed. It is made for wear. Now, Mr. Typograph, we enter the grimed and murky electrotype-room. Electrotyping, you are aware, is simply stereotyping in copper. Its advantages over stereotyping are, sharpness of outline in plates from wood-cuts, and great durability. Plates for books of large circulation are always electrotyped, as well as cuts, engravings, binders’ stamps, &c. The thing to be electrotyped, after being carefully and almost imperceptibly glazed with plumbago, is laid upon a press, and a prepared mould is placed over it, and an exact impression taken. This is well dusted with plumbago, and then deposited in the electric bath. Nature immediately takes up her part of the work, and a brilliant coating of copper is deposited upon the mould. When sufficiently thick, it is taken out of the battery, and, as you may notice, presents on the wrong side the appearance of a printed sheet of copper. This sheet is then filled up on the back to the requisite degree of thickness, and fastened to a block, ready to be used with type on a common printing-press. Plumbago, you remark, does not improve the countenances of the operatives? True; but a little soap and water, vigorously applied, proves the title of these intelligent workmen to rank among white folk.