pictures

Blue Star (1951)

"Blue Star was made by Tokyo Electric Co., Ltd., Japan, which is a sister company of Toshiba.

An early model (in black and color) was sold by Nippon Jimuki Co., Ltd. in 1951. This model was a copy of a Original-Odhner machine.

Later, Toshiba Business Machine Co., Ltd. sold the machines under the name "Toshiba"."

from: K.Kadokura

literature and links:

Katsunori Kadokura: The History of Japanese Mechanical Calculating Machines

	principle	pinwheel
	capacity	10 x 11 x 20
	input	cursors, rotating
	production years	from 1951
	machines built
	features	back transfer

	known s/n	12.201


		for bigger and more pictures, click on the picture

source: HJ.Denker

	principle	pinwheel
	capacity	10 (w/o cr) x 8 (w tc) x 13
	input	cursors, rotating
	prod. years
	mach. built
	features
	dimensions
	weight
	known s/n

		for bigger and more pictures, click on the picture

source: J.McDermaid

Toshiba 20-TC

	principle	pinwheel
	capacity	10 x 11 x 20
	input	cursors, rotating
	production years	196x
	machines built
	features	back transfer

	known s/n	743.162


		for bigger and more pictures, click on the picture

source: Y.Watanabe / Atelier yuuji

Sigma (1951)

Manufacturer: S.A.M.C., Milano, Italy

Model 51-SV

	principle	pinwheel
	capacity	10 x 8 x 13
	input	cursors, rotating
	production years	???
	machines built
	features

	known s/n	4-6336-VI


		for bigger and more pictures, click on the picture

source: HJ.Denker

Model 51 LVR

	principle	pinwheel
	capacity	12 x 11 x 22
	input	cursors, rotating
	production years	???
	machines built
	features	back transfer

	known s/n


		for bigger and more pictures, click on the picture

source: R.Rehbein

Model 52

	principle	pinwheel
	capacity	10 (w/o cr) x 8 (w tc) x 13
	input	cursors, rotating
	prod. years
	mach. built
	features
	dimensions
	weight
	known s/n	4-30.606-I

		for bigger and more pictures, click on the picture

source: P.Martinez Diaz

Corona (1952)

Manufacturer: Corona Calculator Co.

literature and links:

Katsunori Kadokura: The History of Japanese Mechanical Calculating Machines

	principle	pin wheel
	capacity	10 x 10 x 20
	input	cursors, rotating
	production years	195x
	machines built
	features


	known s/n

		for bigger and more pictures, click on the picture

source: Y.Watanabe / Atelier yuuji

Wen Hua (1952)

Manufacturer: Deep Red Star Factory, Tianjin City, China

model BSL-201

	principle	ratchet (geared wheel)
	capacity	10 x 10 x 20
	input	cursors, non-rotating
	production years	???
	machines built
	features	back transfer
		copy of Tiger renjyou 20

	known s/n	13,072, 13,402

		for bigger and more pictures, click on the picture

source: Y.Watanabe / Atelier yuuji

Everest (1952)

Manufacturer: S.A. Serio, Milano, Italy

model Z4

	principle	divided pinwheel
	capacity	9 (w cr) x 8 (w tc) x 13
	input	10 keyboard
	prod. years	since 1970
	mach. built
	features	Facit system
	dimensions	28 x 18.5 x 13.5 cm
	weight	4.5 kg
	known s/n	29.667, 283.774

		for bigger and more pictures, click on the picture

source: Greifswald

model Z5

	principle	divided pinwheel
	capacity	9 (w cr) x 8 (w tc) x 13
	input	10 keyboard
	prod. years	since 1952
	mach. built
	features	Facit system
	dimensions	33 x 20 x 16 cm
	weight	6.5 kg
	known s/n	30.000 - 40.000, 52.681

		for bigger and more pictures, click on the picture

source: RR.Chirico

model Z5R

	principle	divided pinwheel
	capacity	9 (w cr) x 8 (w tc) x 13
	input	10 keyboard
	prod. years	since 1952
	mach. built
	features	Facit system, back transfer
	dimensions	33 x 20 x 16 cm
	weight	7 kg
	known s/n	2.701.327, 2.701.604

		for bigger and more pictures, click on the picture

source: HJ.Denker

Multarapid

	principle	pin storage
	capacity	10 x x 11
	input	10 keyboard
	prod. years	1958 - 1962
	mach. built
	features	3 species, dial wheel for multiplication
	dimensions	23 x 36 x 19 cm
	weight	12 kg
	known s/n

		for bigger and more pictures, click on the picture

source: Goldlocke

data from Rechnerlexikon.de

Diehl (1952)

Manufacturer: Heinrich Diehl, Nürnberg, Germany

literature and links:

Martin Reese: "Neue Blicke auf alte Maschinen" , page 23 ff

model E

	principle	stepped drum
	capacity	8 (w/o cr) x 7 (w tc) x 15
	input	full keyboard
	prod. years	ca. 1955
	mach. built
	features	electric
	dimensions
	weight	12 kg
	known s/n	39,811

		for bigger and more pictures, click on the picture

source: A.Devaux

model EvM

	principle	stepped drum
	capacity	9 (w/o cr) x 9 (w tc) x 18 also 8 (w/o cr) x 7 (w tc) x 15
	input	full keyboard
	prod. years	ca. 1960
	mach. built
	features	electric, buttons for shortened multiplication, automatic division
	dimensions	47 x 36 x 19 cm
	weight	16 kg
	known s/n	21,895, 249,158

		for bigger and more pictures, click on the picture

source: H.Schneemann

model VR

	principle	stepped drum
	capacity	9 (w/o cr) x 9 (w tc) x 18 also 8 (w/o cr) x 7 (w tc) x 15
	input	full keyboard
	prod. years	1960 - 1963
	mach. built
	features	electric, full automatic, back transfer
	dimensions	48 x 40 x 20 cm
	weight	14 kg
	known s/n	1,154,551

		for bigger and more pictures, click on the picture

source: A.Devaux

Esacta (1953)

Manufacturer: Esacta S.r.I., Milano, Italy

model 21

	principle	pinwheel
	capacity	10 x 11 x 21
	input	cursors, rotating
	production years	since 1953
	machines built
	features	split result register
		back transfer
	known s/n	8.328


		for bigger and more pictures, click on the picture

source: HJ.Denker

Summira (1953)

Manufacturer: Paul G. Müller / Summira KG, Roisdorf/Bonn, Germany

see also Summira X

Summira S-7

	principle	segment
	capacity	7 x x 7
	input	finger
	prod. years	ca.1960
	mach. built
	features	2 species, printer
	dimensions	19 x 29 x 16 cm
	weight	4 kg
	known s/n	45.454, 64.192

		for bigger and more pictures, click on the picture

source: HJ.Denker

Multifix (1953)

Manufacturer: Norske Stansefabrik, Lillesand, Norway

	principle	oscillating adapt. segments
	capacity	6 (w cr) x 6 (w tc) x 11
	input	thumb wheels
	prod. years	ca. 1953 - 1960
	mach. built	ca. 750 - 1000
	features	back transfer
	dimensions	20 x 11 x 7 cm
	weight	1.5 kg
	known s/n	61.128, 64.448, 64.508, 74 068, 92.239

		for bigger and more pictures, click on the picture

source: HJ.Denker

Rooy (1955)

Manufacturer: Steiner Calculator, Milan, Italy

identical to "Helios" but with clearance cranks instead of arms. System "Marchant XL"

	principle	adapting segment
	capacity	10 x 8 x 13
	input	cursors, non rotating
	prod. years	around 1955
	mach. built
	features
	dimensions	40 x 16 x 15 cm
	weight	5.3 kg
	known s/n	16.491, 17.787

		for bigger and more pictures, click on the picture

source: HJ.Denker

Jion (1955)

Manufacturer: Mecanica Modern A.S.A., Mexico

model B

	principle	pinwheel
	capacity	10 x 8 x 13
	input	cursors, rotating
	production years	around 1955
	machines built
	features	similar to Addo Multo 03

	known s/n	B 4.098, 12.133, 12.202


		for bigger and more pictures, click on the picture

source: HJ.Denker

Iris (1955)

Manufacturer: ????, Spain

	principle	pin wheel
	capacity	10 (w cr) x 8 (w/o tc) x 13
	input	cursors, rotating
	prod. years	around 1955
	mach. built
	features
	dimensions	32 x 18 x 13 cm
	weight	5 kg
	known s/n	164.410, 166.535

		for bigger and more pictures, click on the picture

source: HJ.Denker

Select (1959)

Manufacturer: ????, France, identical to Iris

	principle	pin wheel
	capacity	10 (w cr) x 8 (w/o tc) x 13
	input	cursors, rotating
	prod. years	around 1959
	mach. built
	features	back transfer
	dimensions	32 x 17 x 14 cm
	weight	5 kg
	known s/n	161.766, 164.992

		for bigger and more pictures, click on the picture

source: A.Devaux

Addimult (1956)

Manufacturer: Addimult-Rechenmaschinenfabrik Hans W. Kübler, Bad Harzburg, Germany

Ziffrex 7

	principle
	capacity	7 (w cr) x x 8
	input	cursors, non-rotating
	prod. years	around 1956
	mach. built
	features	2 species
	dimensions	20 x 30 x 15 cm
	weight	4 kg
	known s/n	10.145, 10.187, 10.220

		for bigger and more pictures, click on the picture