Carl Zeiss Jena Passameter 25–50 mm, marked AWE No. 48

A vintage Carl Zeiss Jena Passameter (indicating snap gauge), identified as such by the seller, with a seller-reported measuring range of 25–50 mm. This is a comparative indicating micrometer: the lever-operated measuring contact, analogue indicator and red tolerance markers are designed to make small deviations between similar parts easy to see without repeatedly reading a conventional micrometer thimble.

Identification and details

• Frame visibly marked AWE Nr. 48; the meaning of this marking has not been independently verified
• Maker's mark is worn; the seller confirms the manufacturer as Carl Zeiss Jena
• Seller-reported 25–50 mm range; please see the photographs for the visible markings
• Grey textured metal frame with one circular cut-out, analogue dial and adjustable spindle
• Dimensions supplied: approximately 22 × 12 × 3 cm; weight supplied: 1,016 g

Condition and included items

Vintage cosmetic condition. According to the seller, the instrument came directly from a business where its operation was tested; it has not been calibrated. Its measurement accuracy and the material of the measuring faces have not been independently verified. Examine the photograph for the exact condition. The instrument shown is included; no case or accessories are promised.