robert porter

antique watches and how to establish their age by henry g. abbott

how to make a super sensitive micro drill press by robert porter

a useful tool for winding and unwinding loop-end mainsprings by robert porter

the pin-pallet escapement: adjustment & repair by robert porter

how to make a fly cutter holder, a fly cutter, and a depth-of-cut attachment, to make small gears by robert porter

restoring this old lathe (vintage watch repair) by robert porter

radial flank angles & sines, a useful companion booklet to the clock and watch makers guide to gear making by robert porter

how to make a form tool grinding attachment for the watchmakers' lathe by robert porter

restoring this old verge fusee watch by robert porter

the art of repivoting for the watch and clock maker by robert porter

a waltham vanguard rr watch: how the power reserve indicator works by robert porter

taps, drills, & dies, inch & metric: useful information for the watch/clock maker and model maker by robert porter

the clock & watch makers guide to gear making by robert porter

how to make tiny drills quickly, easily, & accurately by robert porter

how to make a pivot polisher and micro drilling attachment for the small lathe by robert porter