Calculating - Machine Page: 3 of 3
This patent is part of the collection entitled: Texas Patents and was provided to The Portal to Texas History by the UNT Libraries Government Documents Department.
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593,675
TIte opela i iol is aci follows To commence
,(Ollitiill2, ti(11dskliii aid"1 JO" on disk I1
is evil with "1 c0 " on disk IK For units and
tens follow is5k 11 aroid till the number to
5 be oiilute(d is found rhle wvith arm M turn
disk II ut id this nm 'nboe comes to "100" on
(1 isk %'or li11d1 I c(ls and thousands move
disk 1 )yV nienus of lever F until the number
of ulandreds or taousanis on disk 1 cones
ra even o ilk 'th1 " 0)o disk K Every plressu re
of theo hi ei on levei F moves disk 13 one
100111and counts one rliiitidied. This opera-
lion is repeated until all (lie number s are
cOiiifed Disk B must be Iotated entirely
15 aiioniid h) count ten thousand 1)isk V
counts by len thosiian ds
S lIavuig fully described my ini ven fion, what
I claim as new, and desire to secure by Let-
lers Pateit, s-
:o 7 A calcnulting-maclune-havmig a slital)le
bls)c-bo0ard, a socket piovided with a sei les of
tiainuarsluo1ildei thereom,lhree disksmouiit-
ed 01on said socket ant sa{l shoulders, a )ivot-
bolt I said S0(ket. an arm1 pivoted on said
25 bol a]nd ro i(led 1 il1 a 1111i adapted to op-
cidale (lie middle one of said disks, a nut, for
elamipiiig the top disk, the bottom disk hay-
iigc teeth oil the outer edge, a lever pivoted
oil aid ]ma] d, 11 lxiir pivoted on said lever,
30 said 1a hal i111 a projection adapted to en-
,ag, said t eeth, and a s11piug adapted to draw
Sai( barni iii lacl(O, s aT disks leinmg arranged
in tici s leaviiui the outei portion of each disk
belon e'pOscdl, said exposed portions having
35 i o\s of figures Ilri ited or engi aved thereon.
2 lii a ealciilnt nig-mutach nc the comibi na-
tion of a suit able base - board, a beai ig-
sicket in 5sid board provided with a scmies
of annular sliouldeis, a plurality of disks ar-
to i aiige(l iii (oneietiic tiers mounted on saitd
socket, the otilei edge ot each disk having acircle ot figures pi intel or enuraved thereon,
a 1)i-Oolt miouilted tii said iuOCkct, a<ii <(-mi
pivoted on said bolt and provided A ith a pin
adapted to operate the middle one of saul t-
disks, the bottom disks ha vig teeth on the
edge, a lever pivoted on said board, a spi iig-
actuated bar pivoted on said lever pros ided
ith a projection adopted to engage saul
teeth, another disk bearing larger numnheis 5o
than sai list-named disks 1)ro id ed x ithi a
rack on its rim, and aii aria miolulled on the
bottom of one of said foimiier disks adapted
to engage said rack
3 A calculating-machine having a suitable 55
base-boat d, a socket provided 1 i th a series of
annular shoulders thereon,thre1e disks noniii t-
ed on said socket and said shoulders, a pivot-
bolt in said socket, an aria pVoL (10)uo s idl
bolt and provided with a pmi adapted Lt O)p- 6o
crate the middle one of said disks, a nut fhor
clamping the top disk, the bott iii disk hav-
ing teeth on the outer edge, a lever pivoted
on said boai (1, a bar votedd on said lex-ei
said bar having a piojection adapted to cin- 65
gage said teeth, a spring adapted to draw
said bar iii place, said disk beimg arranged in
tiers leaving the outer portion of each disk
below exposed, said exposed portions iamiiii
rows of figuies print ed or engraved thereoii, 70
another disk bearing larger niutibers than
said first-named disks, mount ed o said htat d
adjaceitt to said bottom disk, and aii 1 11
mounted on said bottom disk adapted I )ro-
tate said disk 75
In testinony that I elaun the foregoinig as
my invention I have liereunito set my liant
this 2 Ith day of Novenier, 181G
1IENRY MiNNIS
Wit nesses
J1r.iilioIEr1 E \),
Wr1H1I \ ,T ' +(x.
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Reference the current page of this Patent.
Minnis, Henry M. Calculating - Machine, patent, November 16, 1897; [Washington D.C.]. (https://texashistory.unt.edu/ark:/67531/metapth508632/m1/3/?q=%22%22~1: accessed June 29, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu.; crediting UNT Libraries Government Documents Department.