17.5mm film formats

 

1898 to 1926

 

For a more detailed look at this subject please refer to
"Film Identification by Examination of Film Copies" by Harold Brown for FIAF.

 

Year

Name

Perforation

Support type

Inventor or manufacturer

1898

Birtac

perf. along one side

nitrate

B.Acres (London)

1900?

Biokam

perf. in center

nitrate

Warwick Trading Co. (London)

1900?

La Petite

1 sq. perf. in center

nitrate

Hughes (London)

1902

Vitak

center perforation

nitrate

W.Wardell (a mail order project)

1903

Kino

center perforation

nitrate

Ernemann (Dresden)

1905?

Ikonograph first projector that could reverse the movement of the film

?

nitrate

E.J.Rector (New York) (Ikonograph Commercial Co. of Manhattan, N.Y.)

1912

Duoscope

2 center perf.

nitrate

A.F.Victor

1915

Sinemat

?

safety

Sinemat Motion Picture Machine Co.

1915-1916?

Autograph

?

nitrate?

Firm name unknown

1917

Movette

2 round perf. each edge

nitrate neg.safety pos.

Movette Camera Co. (Rochester, N.Y.)

1918

Actograph

?

nitrate

Wilart Instrument Co.(New Rochelle N.Y.)

1920

Clou

2perf

nitrate

Firm name unknown (Austria)

1921

Coco

?

nitrate

Linhof (Munich)

1926

Pathé Rural

1perf

safety

Pathé