Holden Trimatic Identification Page
For absolute certainty, compare your unit to a known Trimatic pan gasket (13 holes, notch pattern) – if the gasket matches, it’s a Trimatic.
1965
Gelatin silver print
95.23.12
Image: 15 x 15 in. (38.1 x 38.1 cm)
Frame: 29 3/4 x 23 3/4 in. (75.6 x 60.3 cm)
The Museum of Contemporary Art, Los Angeles
The Ralph M. Parsons Foundation Photography Collection
For absolute certainty, compare your unit to a known Trimatic pan gasket (13 holes, notch pattern) – if the gasket matches, it’s a Trimatic.