Mako Game Fishing Reel, Made in Australia. ReeLpedia®  by Bernard (Bernie) Ladd, Melbourne Australia.

Above, is a collection of seven captivating images showcasing the iconic 6 1/2'' Diameter Direct Wind MAKO Big Game fishing reel, crafted in Australia during the 1930s. Notably, in image 7, you'll find a historical gem—a page from Mick Simmons' catalogue, boldly proclaiming, "This reel is constructed of a new special type aluminum alloy of great tensile strength ". Dive into the rich history and craftsmanship of this remarkable fishing reel. by Bernie Ladd, 2009. >< )))) ( * > 

More official factory specification details:

This reel is constructed of a new special type aluminum alloy of great tensile strength and comprises the following features: -
1.  Specially designed star hand wheel controls the drag action of the clutch.
2. Shrouded projection at back of hand wheel protects ball thrust race which is embodied in the one-piece handle bar housing the anti-back lash mechanism.
3. Construction of handles ensures against seizure.
4. The clutch, of single plate design, is driven to a free spool drum run on a twin set of high-grade ball races, which will not seize.
5. The spindle which carries the ball races is of high-grade bronze construction and is fitted into a heavy convex back, held in position by a hexagon nut.
6. Reel is easily taken apart for the purpose of greasing and oiling.