Photographic enlarger alignment tool and method for aligning a p

Details Photographic enlarger alignment tool and method for aligning a p Photographic enlarger alignment tool and method for aligning a p

1989-07-17

1991-06-25

Will, Thomas B.

Geometrical instruments

Indicator of direction of force traversing natural media

Level or plumb, terrestrial gravitation responsive

33384, 33390, G01C 928, G01C 936

Patent

active

050255681

ABSTRACT:
An improved photographic enlarger alignment tool is disclosed comprising a base plate and a circular level adjustably attached to the base plate by three or more screws adapted to permit calibration of the device in all axes of a plane and alignment of a second plane in all axes simultaneously. A method for using the tool to align the planes of a photographic enlarger is also disclosed.

REFERENCES:
patent: 596279 (1897-12-01), Potter
patent: 1278148 (1918-09-01), Heusser
patent: 2206003 (1940-06-01), Donnell
patent: 2521525 (1950-09-01), Krausser
patent: 2689412 (1954-09-01), Young
patent: 2761217 (1956-09-01), King
patent: 2788578 (1957-04-01), Digiacinto
patent: 3030710 (1962-04-01), Fell
patent: 3101554 (1963-08-01), Gottula
patent: 3950860 (1976-04-01), Holcombe
patent: 4848003 (1989-07-01), Westphal et al.

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