This patent model demonstrates an invention for a paper-ruling machine which was granted patent number 42418. The invention produced both feint lines (ruled) and down (striker) lines (blank spaces where the pens were lifted from the paper).
This patent model demonstrates an invention for a machine for rounding and backing books as two successive and automatic operations; the invention was granted patent number 161089.
This patent model demonstrates an invention for a platen printing press which was granted patent number 17449. The patent details improvements to the feed and delivery systems of a press patented by Merwin Davis in 1855. Charles Potter was at this time in business building Merwin Davis's Oscillating Press and a jobber for George Babcock. After 1864 he turned to his own large cylinder presses, for which he is better known.
This patent model demonstrates an invention for a hand-operated portable printing press was which granted patent number 79751. The press consisted of a box, the lid being the platen, operated by a hand lever. Built-in grippers released the paper when the lid was lifted. The model is accompanied by a card bearing the inscription "Little Giant Hand Printing Press.”
This patent model demonstrates an invention for a typecasting machine which was granted patent number 187278. The patent describes a machine for the rapid production of replica type, from originals made for the purpose in a hard metal such as steel. The type could have raised or sunken letters, and a straight, concave, or convex surface for printing on flatbed or rotary presses.
This patent model demonstrates an invention for a machine for sewing books with two needles and an intermediate looper. The invention was granted patent number 250990.
This patent model demonstrates an invention for a sheet-handling system for printing both sides of a rotary press; the invention was granted patent number 24875. According to Stephen D. Tucker’s History of R. Hoe & Company, this apparatus did not work well and was never brought into use.
This patent model demonstrates an invention for a type-distributing machine which was granted patent number 10656. The rotary distributer, used notched type. The specification includes a brief description of other distributers of his day--the Gaubert, Clay and Rosenberg, and Sorenson machines.
This patent model demonstrates an invention for a machine for the casting, dressing, and setting of type; the invention was granted patent number 115796. Type was set in a continuous line, to be divided up later by the operator.
This patent model demonstrates an invention for adjustable furniture that was intended to replace sidesticks, quoins, and loose furniture; the invention was granted patent number 151883. The device was pulled open to the desired width and locked in that position by driving wedges under two of the feet, which slid in grooves on their side bar.
This patent model demonstrates an invention for a three-part quoin, the parts being held together by a key passing through a slot in the central wedge; the invention was granted patent number 148308. Roughened sides of the quoin prevented slippage on other furniture.
This patent model demonstrates an invention for a shooting stick, used for driving in quoins, or wedges, to tighten a form in its chase; the invention was granted patent number 107154. These sticks had different-sized notches to fit different quoins, and two wings to help open spaces for the quoins among the furniture.
This patent model demonstrates an invention for a stencil-printing frame which was granted patent number 219665. The frame is adjustable to take stencil sheets of different sizes.
This patent model demonstrates an invention for an inking apparatus for printing presses, which provided an improved means of operating the carriage of inking rollers. Rollers pass over the entire length of a stone distributing ink more accurately and efficiently. The invention was granted patent number 188386.
This patent model demonstrates an invention for a machine for engraving, embossing, and printing on glass, using a process and machine for grinding a design into glass from an engraved metal cylinder, using emery powder. The invention was granted patent number 11189.