123 



turn the* ratchet wheel one notch each time either magnet is 

 energized. These arms also cam nit.-r ! ki:i- stops whu h 

 positiM-K prrvrnt the \sli. . 1 tiMin turning more than one notch, 

 until the m.i-iM-t is i,-i,-.i-,-,j .in- the next step. The 



i-f.ir .-ml .i (In- .hum Qiffiai hal an-1 p.-mt.-r. M lh.it tin- \%al-r 

 may U- r.\nl ilinvtly without liMiking at the chart. 



i in: CONSTRUCT!'^ 7 LONG DISTANCE REGISTER 



The base (1) supports the mechanism of the regist 



<\\ n-ht .l.i\ , l,,,k (2) is geared to two time screws 

 which are supported at each end as shown. The clock ha* t<> 

 largr . 1 1 1 \ ing springs and has jeweled bearings on the escapement 



^ II 

 25 ' 



shaft. 



H \ w 



Mounted on two scrt'\%- i- th. |M nril carriage (4i \%lurh 

 tMi-u.inl \\ithi.ut hi-t inotimi, in accord with the turning 

 nt' the clock shaft. .m<l \%hi.-h .an IK* liftttl up from one position 

 MI the screws and placed in another, if desired. The pencil 

 illi i> hi-hl n th.- p.-n.-il h.ihlrr i.">i. vshirh is free to move 

 , lt ll\ in .1 \liinl.-r n JM..|,-, : MI tin- upper side of 



it,,- IMM- ol th.- Ctn iage (4). 'l'l>.- jM-nril hohh - set and 



th,- |..-n.-il . LiMi|.-(l witli -o that the H.-iuht of the 



p.-n.-il ami Imlilrr presses down against tin- paj 



