Leviathan. Rapid Rectilnear 9 x7 Brass Barrel Lens

[Edward Baylis]

I am seeking any information regarding a vintage lens and what camera it could be used on.
It is a Leviathan Rapid Rectilnear, marked 9 x 7, the brass barrel lens is approx.10cm long, screw thread approx,52mm. It has an adjustable Iris diaphragm with settings f8,11.5,16,22,32,45 & 84
Many thanks
Edward

[Richard Rankin]

Leviathan is probably just a name made up by a retailer. I have one called 'The Cube' and cannot imagine who or why would come up with that name...

A 9x7 RR should be around 11" focal length and will probably cover 8x10 open, surely will stopped down.

Richard

[CCHarrison]

Leviathan was a trade-name used by a photography retailer, Mssrs. Joseph Levi and Co in London c. 1898

Dan