text_original: The reason for lining them is to make the boards curve inwards towards the book. The various pastings would cause the board to curve the contrary way if it were not lined.
text_transcription: THE REASON FOR LINING THEM IS TO MAKE THE BOARDS CURVE INWARDS TOWARD THE BOOK THE VARIOUS PACINGS WOULD CAUSE THE BOOK TO CURVE THE CONTRARY WAY IF IT WERE NOT LINED
phonemes: ðə ɹˈiːzən fɔːɹ lˈaɪnɪŋ ðˌɛm ɪz tə mˌeɪk ðə bˈɔːɹdz kˈɜːv ˈɪnwɚdz təwˈɔːɹdz ðə bˈʊk. ðə vˈɛɹiəs pˈeɪstɪŋz wʊd kˈɔːz ðə bˈɔːɹd tə kˈɜːv ðə kˈɑːntɹɛɹi wˈeɪ ɪf ɪt wɜː nˌɑːt lˈaɪnd.