Dron and Lawson

of Glasgow.
Machine makers and millwrights.
1865 Illustration of an unusual lathe/horizontal bring machine with elevating head and tailstock, made by Dron & Lawson (Tour breveté de Dron et Lawson (Glasgow) avec pointe et contre-pointe mobiles) here.[1]
1912 Lathe bed design featured in 'Machinery'[2]