Wrench operated butterfly valve, 1975

"Britool" speed brace wrench

"Britool" speed wrench

"Britool" engineer's heavy duty S.E. socket wrench

"Britool" double broached ring wrench

Tubb's wrench

Screw-thread correcting lathe with components

circa 1910

Footprint type pipe wrench.

3/4" socket wrench

1970

"Britool" speed wrench

Three Clyburn screw adjustable wrenches.

American pattern tap wrench

Vulcan bijaw chain pipe wrench No. 31

Tap wrench