Bike spanners were often supplied with a bicycle for the customer to maintain the bike. The spanners were custom-made to suit the specific requirements of the bike and typically fitted hubs, brakes, seat or handle bars.
Click on any of the images below to see the larger image and accompanying details:
Bike Wrenches
Bicycle Block Spanner by Becon, a German company - Beck & Coram were the Australian agents.
http://webwerks.com.au/htpaa/images/wrenches/bike-wrenches/becon-block.jpg
Besta Block Spanner
http://webwerks.com.au/htpaa/images/wrenches/bike-wrenches/besta-blockspanner-1.jpg
Besta Block Spanner (reverse)
http://webwerks.com.au/htpaa/images/wrenches/bike-wrenches/besta-blockspanner-2.jpg
Clipsal Cone Spanner - fits brake cone on hub type brakes - vintage 1930s. Image courtesy Gerard Industries P/L (Clipsal) in South Australia.
http://webwerks.com.au/htpaa/images/wrenches/bike-wrenches/Clipsal_cat-no_850 .jpg
Clipsal Box Spanner for push bike hub nuts etc. Clipsal also made this type of spanner for Hills Antennae division, marked HILLS. (Image courtesy Gerry Scells)
http://webwerks.com.au/htpaa/images/wrenches/bike-wrenches/CLIPSAL1-sm.jpg
Durham Australia, Dogbone Bike Wrench - diecast.
http://webwerks.com.au/htpaa/images/wrenches/bike-wrenches/durham.jpg
Fairfax Bike Spanner, lots of variation in the dies used. (Image courtesy Rod Thomas.)
http://webwerks.com.au/htpaa/images/wrenches/bike-wrenches/fairfax-block.jpg
Fairfax Bike Spanner - reverse mark, lots of variation in the dies used. (Image courtesy Rod Thomas.)
http://webwerks.com.au/htpaa/images/wrenches/bike-wrenches/fairfax-block-reverse-mark.jpg