I have a marine compass and binnacle circa late 1800's--early 1900's.
It was made for a steel trawler by Lally & Reynolds, Clarendon Street,
London, EC3 U.K.  A part of the binnacle is missing and i would like
to find or make a replacement.

Is Lally and Reynolds still in business
Can a catalogue of their products be found on-line or elsewhere
Is there a source of illustrations of marine instruments from this
period

I was unable to find any reference to Lally and Reynolds.  If the
company is still in business, it may have another name now.

The Antique Scientific Instruments site has photographs of antique
marine instruments, with dates and very brief descriptions:
http://www.antique-scientific-instruments.de/antique.html

Gemmary’s Antique Scientific Instruments has their online catalog,
with photographs and long descriptions, as well as a forum where
people exchange information:
http://www.gemmary.com/rcb/insts/forum/forum.shtml

As this field is so specialized, you would do best to ask antique
dealers about their repair or restoration facilities.

Trinity Marine has an online gallery of antique instrument
photographs, and bills themselves as “Europe’s largest nautical
antique dealers”.
http://www.trinitymarine.co.uk/category4_1.htm