Nr. 104790514
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€ 33
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KL-1 (КЛ-1) - Riglă de calcul - Regulă de calcul circulară
KL-1 (КЛ-1) circular slide rule, an iconic Soviet calculating instrument produced since the 1960s.
It resembles a classic pocket watch or stopwatch.
Key Features: Purpose:
Analog engineering calculator used for multiplication, division, squaring, and calculating trigonometric and logarithmic functions.
Design: It has a housing with two knobs (crowns) to control the inner dial and two hands (a black, movable one and a red, stationary one).
Reversibility: The device is double-sided. The side shown in the photo contains basic scales (multiplication/division, squares), while the other side is typically used for trigonometric calculations (sines, tangents).
Manufacturer: Made in the USSR; the dial features a stylized manufacturer's logo, stylized as "МАТЕМА" or a reference to precision factories.
Condition: New, never used, in original box with instructions.
When purchasing more than one item, you pay shipping once.
Nr. 104790514
Vândut
KL-1 (КЛ-1) - Riglă de calcul - Regulă de calcul circulară
KL-1 (КЛ-1) circular slide rule, an iconic Soviet calculating instrument produced since the 1960s.
It resembles a classic pocket watch or stopwatch.
Key Features: Purpose:
Analog engineering calculator used for multiplication, division, squaring, and calculating trigonometric and logarithmic functions.
Design: It has a housing with two knobs (crowns) to control the inner dial and two hands (a black, movable one and a red, stationary one).
Reversibility: The device is double-sided. The side shown in the photo contains basic scales (multiplication/division, squares), while the other side is typically used for trigonometric calculations (sines, tangents).
Manufacturer: Made in the USSR; the dial features a stylized manufacturer's logo, stylized as "МАТЕМА" or a reference to precision factories.
Condition: New, never used, in original box with instructions.
When purchasing more than one item, you pay shipping once.
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