Tokyo: Printing process on display from cover to cover
17:21 JST, May 17, 2022
Letterpress printing is a process that requires individual types, which are letters that are sometimes the size of a grain of rice, to be placed in a frame by hand to form words and sentences. Before electronic editing became the norm, letterpress printing was a technique that was essential to the publishing industry.
The Ichigaya Letterpress Factory, a museum located next to Dai Nippon Printing Co.’s headquarters in Shinjuku Ward, Tokyo, introduces visitors to the process of letterpress printing from type production to printing and bookbinding. The museum also displays working machines.
The museum opened last year at the former site of Dai Nippon Printing’s main factory to show the history and appeal of the letterpress. Famous publications such as the weekly magazine Shukan Shincho and the Kojien dictionary used to be printed at the factory.
One of the main items on display at the museum is a flatbed letterpress machine that was used during the early Showa era (1926-89). The type bed moves backward and forward, pressing ink onto the type. Then, the freshly inked type passes under the impression cylinder to print onto a sheet of paper. One could never tire of looking at the claws on the cylinder as it grips the printed page.
Letterpress plate makers used to quickly find types they needed from shelves, or uma, while looking at a manuscript, and then arrange them inside the frame by hand. The plate makers would also insert metal pieces among the types. Some of the metal pieces were interu, which created the spaces between the lines, and kuwata, which filled the blank spaces at the end of each sentence and other sections. The entire process is shown in a video at the museum.
Types used to be produced at the factory as well. The letters were first written by hand on a piece of paper about the size of a playing card. A machine called a letterpress pantograph was then used to reduce the size of the letters and inscribe them into a matrix, which served as a type template. As a large pen-like component traced the original letters, an engraver moved in tandem.
Since a new matrix had to be created for each font size and typeface, there are said to be as many as 300,000 matrices at the main factory, which printed a variety of books and magazines.
An automatic casting machine, which mass produces types, and a threading machine used to bind books are also on display at the museum.
Visitors can get hands-on experience printing and making books in classes offered at the museum.
“We want visitors to learn about all the fun things that can be done through printing,” said Ai Sasaki, who works for the museum.
Ichigaya Letterpress Factory
The museum is located in the restored clock tower on the premise of Dai Nippon Printing Co.’s Ichigaya plant, which was completed in 1926. The clock face, which serves as the symbol for the museum, is said to have been restored based on a photograph of the old building.
Address: 1-1-1 Ichigayakagacho, Shinjuku Ward, Tokyo
Hours: 11:30 a.m. to 8 p.m. on weekdays and 10 a.m. to 6 p.m. on weekends and national holidays. Closed on Mondays and Tuesdays, unless they fall on a national holiday.
Admission: Free (reservation required)
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