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Factory Markings

The logos shown on the backplates of various machines and power sources indicate the factory in which a particular device was made. Little information is currently known about the number, or location, of these factories. Most early machines were manufactured at a single factory; some of the later machines appear with various factory markings. Christoph Zingg has done some interesting work on identifying these marks and factories, especially for electronic component manufacturers, and some of the identification on this page borrows from his site.

The list of machines manufactured by companies is necessarily incomplete. Please see individual calculator pages for manufacturer information.



Quality marker

State Mark of Quality

More often than not, on items of domestic production or on their packing, we find this pentagon, in which above stylized the letter <K> appears an inscription <USSR>. The letter <K> is sideways, and creates simultaneously an image of balance. The bottom part is represented in the form of dividers, and the top is a balanced bowl. It symbolically expresses an idea "from commensuramility - to an establishment of conformity", that is one of main problems of standardization: an establishment of optimum conformity between requests of the consumer and parameters of quality. The emblem of a State mark of Quality, a mark certifying a highest level of quality, and conformity to production to the best world standards, is this.

Why there was a necessity for such mark? What entitles a product to its application? What gives production and consumption of production with is familiar qualities? The answers to these questions are in indissoluble connection with the tendency of development of soviet socialist economy at the present stage.

"In present conditions if to mean effect for all national economy, it is better - Almost always means and more", - The comrade L. Brezhnev on XXIV congress KPSU spoke.

In a 1965 in connection with transition of an industry to new system of planning and provision of economic incentives, the decision on introduction in our country of state certification of quality of industrial items was accepted.

The concept "the quality of production" has very wide sense. It indicates conformity of an item to the standards, drawings or specifications and high efficiency in operation (consumption), characterized by reliability, profitability, aesthetic level. All listed attributes of quality of production in many cases manage to be characterized by quantitative parameters reflecting the various parties of consumption cost of production.

In application, for example, to electric motors it is technical parameters: capacity, efficiency and so on: parameters of reliability and durability - Service life, probability of non-failure for service life and so on; parameters of a degree of unification and standardization - Factors applicability standardized and unified dimensions of compound details.

Besides the listed parameters, to evaluate quality, the result of examination of an aesthetic level of items - Appearance, convenience of work with them and so on are considered. To achieve such examination in USSR, one attends an All-Union research institute of an industrial art.

Certainly, in each specific case, the parameters of quality are established with allowance for specifities of an item. Use of quantitative parameters allows one to compare qualities of the given item with what that by other, similar as required item, which on the given interval of time symbolizes a maximum world degree of quality. The comparison can be conducted on the basis of comparison of the best domestic and foreign samples, by results of comparative tests, by valuation of a conjuncture in the external market. Such work also was executed by a State commission. It has established, that the quality of electric motors of a series A-2 met maximum achievement in the given area of engineering.

In Soviet Union since a 1972 all production under the authorized nomenclature is exposed to certification for three categories: by maximum, first and second, To a maximum category applies production appropriate on the technological parameters to maximum achievement of a domestic and foreign science and engineering; this production the State mark of quality is given. To the first category applies production appropriate to the standards (or specifications), which are up-to-date. Production certificated for the second category, is subject to modernization or removal from production.

Scanned and translated from magazine "Scientific and Life" 7'1972.
Translation © Sergei Frolov




Angstrem


Angstrem Angstrom

© Angstrem
Angstrem factory
The Angstrem factory, Moscow.

The first logo is the old marking used by Angstrem, which appears on all the calculators they made. Their new marking (not known on calculators) is shown to the right. The Angstrem company currently produces LSI, ASIC, Digital circuits, and Wafers.

Machines Manufactured

B3-18
B3-18A
B3-25A
B3-26
B3-30
B3-35
B3-36
B3-39
MK 40
MK 51
MK 53
MK 60
MK 60M
MK 71
MK 85
MK 85M
MK 87 (notepad)




BILLUR

BILLUR

This company manufactured logic circuits.

Machines Manufactured

B3-26
B3-26
MK-18M
MK-18M






ElektronOrgTechnika

This was a State-run export company.

Machines Manufactured

Iskra 210
Iskra 210






"Kazan"

Military factory, also manufacturer of the BK-0010 computer.

Only the address, not the name, of this factory is known...

420044, Kazan, Box 803

Machines Manufactured

Integral MC-1103
Integral MC-1103
MK-56
MK-56




KWASAR

KWASAR

Manufacturer of EPROM, logic, and precision parts (MILITARY?)

Machines Manufactured

MK-61
MK-61




RODON

RODON

This company manufactured commercial analog and TV circuits.

Machines Manufactured

MK-59
MK-59




Iskra 2240
© Schetmash
Schetmash factory
Schetmash factory building

Schetmash

The discovery by Sergei of the homepage of the Schetmash company confirmed what we suspected all along: the iconic symbols on the backplate of each calculator refer to the company at which each machine was made. This particular symbol is used by the Schetmash company which is located in [Kursk?]. The name Schetmash is an acronym combining the words calculating machine.

They appear to be manufacturing POS terminals these days.

Machines Manufactured...

Iskra 2240
Iskra 2240
Iskra 2240M
Iskra 2240M




Svetlana
© Svetlana
Svetlana Factory
Svetlana Factory
St. Petersburg

Svetlana

Svetlana is a woman's name derived from the word "svet," which means, in the Russian language, "light." The company was established in 1889 and changed its name to Svetlana in 1913 when it began manufacturing incandescent light bulbs. This company also manufactured electron tubes, analog and digital ICs. Today, they concentrate on electron tubes, and are well-known in the audio industry. They are located in St. Petersburg, Russia. You can visit their site, Svetlana's Tube Zone, to see what they offer.

Machines Manufactured

All of the C3-Series machines were manufactured by Svetlana. Please visit the C3 index page for a complete list.




[Unknown]

A document associated with the 4-71b calculator indicates that this factory was located in Kirovograd (now Ukraine).

Machines Manufactured

4-71b
B3-02
B3-05
B3-14M
B3-19M
B3-21






[Ulianovsk]

Box of MK-37 indicates the factory was in Ulianovsk, USSR - possibly a military factory.

Machines Manufactured

MK-23A
MK-37
MK-37A





4 square arrows

[Unknown]

Machines Manufactured

B3-18A
MK-SCH2
MKU-1





Iskra

Ulyanovosk.

Ulyanovsk - the city, in which was born Lenin.

"A spark will kindle a flame" (A. Odoevsky. "The Fervid Words of the Prophetic Strings..."). Odoevsky's poem from which the quotation comes is an answer to Pushkin's "Deep in Siberia's Mines...", his poetic message to the Decembrists who after their abortive rebellion against the autocracy were deported to Siberia. The quotation was used as an epigraph to the Iskra (= spark), the first Russian social-democratic newspaper which was founded and edited by Lenin.

Machines Manufactured

MK-68
MK-69

[Unknown]

Machines Manufactured

B3-11
MK-44

[Unknown]

Machines Manufactured

MK-SCH2
MKU-1


[Unknown]

Machines Manufactured

MK-59
MK-61E

[Unknown]

Machines Manufactured

MK-61
hills

[Unknown]

Machines Manufactured

MK-45


[Unknown]

Machines Manufactured

MK-104
circle f

[Unknown]

Machines Manufactured

Elektronika 155
circle f Iskra 211

[Unknown]

Bulgarian?

Machines Manufactured

Iskra 111/M
Iskra 211

factory mark

[Vilnius]

Machines Manufactured

Vilnius
RASA
factory mark

[unknown]

Machines Manufactured

MK-61
factory mark

[2210]

Machines Manufactured

Iskra 2210




factory mark

Integral

It is unknown how many Integral factories there were, but one exists in Minsk, Republic of Belarus.

An Integral factory, unknown location.

Machines Manufactured

MK-11
MK-90


Packaging & Documentation Marks

A
   

On an MK-71 box.
B
   

On a D2-11 transformer manual.
PO Ingul

Battery Marks

A
    

B
    

C
D-0.125D    

logo found mostly on NiCd button cell accumulators of the type Dxxx, where xxx indicates the capacity in mAh.

D
RC53    



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