Silver Infallible - Antique and Vintage Cameras

Wynne's Infallible

Solid Silver model

Infallible Exposure Meter Co.

Wrexham

Wales

Image of Wynne's Infallible

Meter Type:
Actinometer.

Calibration:
Plate speed: F4 - F362 Wynne values. Shutter speed: 1/128 - 64m. Aperture: f4 - f362.

Construction:
Solid silver with engine turned decoration to back. Hallmarks of Anchor, Lion, a, A.W. in back of case. Lion on ring. (Birmingham 1900/01).

Attributes:
The plate speed and apertures share the same scale.

Identification:
Orange cover glass.

Silver Gem

1903

Meter Type:
Actinometer.

Calibration:
Plate speed: F4 - F256. Shutter speed: 1/64 - 64m. Aperture: f4 - f256.

Construction:
Solid silver with engine turned engraving to back. Hallmarks are for Chester 1903.

Attributes:
The plate speed and apertures share the same scale.

With:
Instructions. Speed list dated December 1907. Red tin case.

This is slightly smaller than the popular Infallible meter with a reduced aperture and speed range.

References & Notes:
BJA 1904, p. 1359.

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