US2055703A - Calculating machine - Google Patents

Calculating machine Download PDF

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Publication number
US2055703A
US2055703A US2055703DA US2055703A US 2055703 A US2055703 A US 2055703A US 2055703D A US2055703D A US 2055703DA US 2055703 A US2055703 A US 2055703A
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US
United States
Prior art keywords
sept
calculating machine
sheet
sheets
perkins
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Expired - Lifetime
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06C—DIGITAL COMPUTERS IN WHICH ALL THE COMPUTATION IS EFFECTED MECHANICALLY
    • G06C15/00—Computing mechanisms; Actuating devices therefor
    • G06C15/04—Adding or subtracting devices
    • G06C15/06—Adding or subtracting devices having balance totalising; Obtaining sub-total
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/12—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with streamlined valve member around which the fluid flows when the valve is opened

Definitions

  • FIG. 15A CALCULATING MACHINE Filed sept. 1, 1952 2o sheehet lsa FIG. 15A
  • Sheets-Sheet 17 Filed Sept. l, 1932 SUB N W PERKlNs GALCULATNG MACHINE Flled sept 1 1932 2o sheets-sheet 18 d Sept. 29., 1936.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Mathematical Physics (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Bidirectional Digital Transmission (AREA)

Description

Sept. 29, 1936. N, W. PERKINS 2,055,703
` CALCULATING MACHNE File'd Sept. l, 1932 2O Sheets-Sheet 2 Hi. am?
Sept. 29, 1936. N. W. PERKINS 2,055,703
CALCULATNG MACHINE Filed sept. 1, 1932 zosheets-sheet s @VMM- Sept. 29, 1936. N w. PERKINS CALCULATING MACHINE Fied sept. 1, 1952 2O Sheets-Sheet 4 Sept. 29, 1936. N. w. PERKINS 2,955,703
CALCULATING MACHINE Filed sept. 1, 1932 2o sheets-sheet 5 Hi. am@
sept. 29, 1936. N, W. PERKINS 1355303 CALCULATING MACHINE Filed sept. 1, 1932 2o SheVts-sheet e Hi8 amg N. W. PERKINS l2,055,1"03
CALCULATING MACHINE Filed sept. 1, 1932 *if @iQ/fm Sept. 29, 1936.
2o sheets-sheet 7 His amt,
SePt- 295 1936- N. W` PERKINS 2,055,703
CALCULATING MACHINE Filed sept. 1, 1932 :zo sheets-sheet 8 FIG. 13 ,5 H7
Sept. 29, 1936. N, W, PERKINS `2,055,703
CALCULATING MACHINE Filed sept. 1, 1952 2o sheehet lsa FIG. 15A
Hi. dual/twg Sept. 29, 1936. N. w. PERKINS 25055703 CALCULATING MACHINE Filed Sept. 1, 1952 2o Sheets-SheetA 10 7 3 Fla. 15B 6-3 N. w. PERKINSl GALCULATNG `IVIG'HNE Sept 29, 1.936.
Filed Sepi. 1, 1932 2o sheets-sheet 12 mmw His twg Sept. 29, 1936. N, W. PERKlNs CALCULTING MACHINE 2O Sheets-Sheelkl 13 Filed Sep. 1, 1932 N. W. PERKINS CALCULATING MACHINE 'Filed Sept. l, 1932 Sept. 29, 1936.
2O "Sheets-Sheet 14 FIG..-` 22 SPt- 29, 1936' N. w. PERKaNs ,2,55,703
CALGULAUNG MACHINE Filed Sept. l, "1932 2O Sheets-Sheet l5 His dimm/Lu Slept. 29, 1936.\ N. W1 PERKINSl CALCULATING MACHINE Filed sept. 1, 1932 20 VSheets-Sheet 16 N. w. PERKINS 2,055,703
CALCULATNG MACHINE Sept'. 29, 1936.
20 Sheets-Sheet 17 Filed Sept. l, 1932 SUB N W PERKlNs GALCULATNG MACHINE Flled sept 1 1932 2o sheets-sheet 18 d Sept. 29., 1936.
N W PERKINS CALCULATING MACHINE Flled Sept l 1932 Sept. 29, 1936.
' sept.- 2.9,Y 193e. N, W; @MN5 2,055,703
CALCULATING MACHINE Filed Sept. 1, 1952 2.o sheets-sheet 20 1 l I Y. Y .el G 'o Q 11' Oo Qn Il O mi lll "C" Hl Q \o l Y 1u I w :1U l. l" "H l o! O l 5 it l L: LT- O w l1( *1:
N O N HH` @5E K fl ,l o!
,O g l, 1l l N nl lL 0 Y Zbl/@mr l X Naf/2m wfg/m56@
US2055703D Calculating machine Expired - Lifetime US2055703A (en)

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US2055703A true US2055703A (en) 1936-09-29

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US2055703D Expired - Lifetime US2055703A (en) Calculating machine

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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2436055A (en) * 1948-02-17 Combined typewriting and com
US2527996A (en) * 1950-10-31 Hanpley
US2558458A (en) * 1951-06-26 Combined typewriting and computing
US2642222A (en) * 1953-06-16 Register selecting mechanism for
US2654537A (en) * 1953-10-06 Totalizer control mecha
US2696944A (en) * 1954-12-14 Totalizer aligner means
US2708549A (en) * 1955-05-17 Calculating machines
US2807412A (en) * 1957-09-24 A runde
US2930523A (en) * 1960-03-29 Totalizer control mechanism for accounting machines
US3029014A (en) * 1962-04-10 Capellaro
US4947780A (en) * 1988-04-28 1990-08-14 Finn Arnold A Modular floating structures and methods for making

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2436055A (en) * 1948-02-17 Combined typewriting and com
US2527996A (en) * 1950-10-31 Hanpley
US2558458A (en) * 1951-06-26 Combined typewriting and computing
US2642222A (en) * 1953-06-16 Register selecting mechanism for
US2654537A (en) * 1953-10-06 Totalizer control mecha
US2696944A (en) * 1954-12-14 Totalizer aligner means
US2708549A (en) * 1955-05-17 Calculating machines
US2807412A (en) * 1957-09-24 A runde
US2930523A (en) * 1960-03-29 Totalizer control mechanism for accounting machines
US3029014A (en) * 1962-04-10 Capellaro
US4947780A (en) * 1988-04-28 1990-08-14 Finn Arnold A Modular floating structures and methods for making

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