Leica IIIb with Leica Mooly motor
date: label: date made
content: 1938
name: label: maker
content: Leica
label: maker
content: Ernst Leitz
notes: label: Description
content: The Leica model IIIb introduced an eyepiece diopter adjustment lever under the rewind knob. With this lever it was possible to adjust the sharpness of the viewfinder image to a person’s eyesight. However, the most important feature of this Leica is the attached Leica motor (code name MOOLY).
label: Description
content: The Mooly clockwork motor mechanism on this early production model from 1938 is capable of driving an attached Leica camera at two frames per second for up to twelve frames. The earliest motors up to serial no. 400 had two speed motors for one or two frames per second. But by serial no. 634, the button on the front of the motor had been disabled and only two frames per second was available. The button was removed on later production motors.
label: Location
content: Currently not on view
place: label: place made
content: Germany: Hesse, Wetzlar
setName: label: See more items in
content: Work and Industry: Photographic History
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content: Leica Cameras
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content: Photography
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: PG.69.055
label: accession number
content: 1993.0137
label: catalog number
content: 69.055
label: serial number
content: 281253
objectType: label: Object Name
content: camera
label: Other Terms
content: rollfilm; hand; miniature; rigid body
physicalDescription: label: Measurements
content: overall: 4 in x 5 1/4 in x 1 1/4 in; 10.16 cm x 13.335 cm x 3.175 cm