Precision, accuracy, and a smattering of etymology. Chris and Jon discuss Simon Winchester’s latest book, The Perfectionists.

• Ned Ludd An English weaver, from whom the term “luddite” was derived

• Bokeh The blur that occurs when an object within a photograph does not fall inside the bounds of the lens’s depth of field

• Leica The camera division of Germany’s Leica Microsystems

• The Essentials of Precision Timekeeping A talk delivered by Jack Forster at the Horological Society of New York in early 2018

• Bullseye Diagram A visual depiction of the distinction between accuracy & precision, from Winchester’s The Perfectionists, where A is accurate, B is precise, C is neither, & D
is moderately precise & accurate

• History of the Steam Engine A brief history of steam power during the Industrial Revolution

• Watt Engine Friend of the show, Rich Loen, standing in front of a Watt Steam Engine

• John Wilkinson An industrialist who helped James Watt refine the Watt Steam Engine

• Henry Maudslay An incredibly talented machinist, whose work helped usher in the age of industrialization

• Joseph Bramah A renowned locksmith & inventor

• Off Hours Episode 21 The episode on multi lead threading, where we first mentioned Bramah & Maudslay

• The Lord Chancellor A micrometer that was one of, if not the most, precise measuring instrument of Maudslay’s era, crafted by Maudslay himself

• Cromwell Lathe A style of lathe that Chris has in his shop, which was favoured by Rolls-Royce in the mid 20th century

• Rolls-Royce Casting A look at how lost wax casting continues to be used today in the manufacturing of Rolls-Royce turbine engines

• Off Hours Episode 3 An early episode in which we delved into the subject of lost wax casting

• Additive Manufacturing TheWatches TV takes a look at the potential promise additive manufacturing holds, while not shying away from the ways it still falls short of the accuracy needed for crafting timepieces

• Rolls-Royce Swarm Bots Rolls-Royce is investing in tiny, collaborative swarm robots to help provide quality assurance & routine maintenance of its jet turbines, without needing to take them completely apart

• Qantas Flight 32 An airline crash, detailed in The Perfectionists that was found to be due to error in how accurately a particular hole had been drilled

• Grand Seiko Official website of the Shizuku-Ishi studio in Japan, where Grand Seiko timepieces are assembled

Precision, accuracy, and a smattering of etymology. Chris and Jon discuss Simon Winchester’s latest book, The Perfectionists.

Jon and Chris talk about buying art, stone carving, and managing notifications without a wearable.

• Adam Young – A Canadian artist that Jon & his wife recently acquired a painting from

• Steven Strang – Local artist & friend of the show whose work Chris has been a longstanding patron of

• ‘The Memory Thief’ – Chris’ most recent acquisition from Steven Strang

• Printrbot Ceases Operations – We spoke a little about Printrbot back in Episode 15, they recently & suddenly shut down

• Monoprice Select Mini – The 3D printer Jon picked up to replace his Printrbot Play

• Dufour’s Watch Cases – Philippe Dufour fits the movements for the cases of his timepieces to within 0.01mm of precision

• Canadian Stone Carving Festival – An annual festival held on Sparks Street in Canada’s Capital

• Phil White – The Dominion Sculptor of Canada

• Stone Carving Course – A stone carving course offered by Smith & Barber in Ottawa

• Cortex – Myke recently switched out his Apple Watch for a Nomos

• Metro Date Power Reserve – The Nomos that Myke picked up

• BBC Panorama – BBC’s Hilary Andersson investigates the ‘dark side’ of smartphones—including the physiological effects that notification alerts have on us

• Custom Vibration Alerts – How to create & customize vibration alerts on your iPhone

Jon and Chris talk about buying art, stone carving, and managing notifications without a wearable.

• Adam Young – A Canadian artist that Jon & his wife recently acquired a painting from

• Steven Strang – Local artist & friend of the show whose work Chris has been a longstanding patron of

• ‘The Memory Thief’ – Chris’ most recent acquisition from Steven Strang

• Printrbot Ceases Operations – We spoke a little about Printrbot back in Episode 15, they recently & suddenly shut down

• Monoprice Select Mini – The 3D printer Jon picked up to replace his Printrbot Play

• Dufour’s Watch Cases – Philippe Dufour fits the movements for the cases of his timepieces to within 0.01mm of precision

• Canadian Stone Carving Festival – An annual festival held on Sparks Street in Canada’s Capital

• Phil White – The Dominion Sculptor of Canada

• Stone Carving Course – A stone carving course offered by Smith & Barber in Ottawa

• Cortex – Myke recently switched out his Apple Watch for a Nomos

• Metro Date Power Reserve – The Nomos that Myke picked up

• BBC Panorama – BBC’s Hilary Andersson investigates the ‘dark side’ of smartphones—including the physiological effects that notification alerts have on us

• Custom Vibration Alerts – How to create & customize vibration alerts on your iPhone

Turns out there’s more than one way to thread a screw. Chris talks to Jon about the upsides and challenges of crafting multi lead threads for his pens, and why you should use metric—not imperial—measures.

• Timely Tees Jon recently released a co-axial version of the Escape Tee

• Multi Lead Threading One of Chris’ most popular blog posts

• The Machinery’s Handbook A quintessential reference in any machine shop

• The Sheaffer Snorkel A stupendously over-engineered fountain pen design

• Fischer Space Pen A pen engineered for use in zero gravity

• David Oscarson Pens

• Dykem Layout Fluid A surface masking solution that makes it easier to see where the tool you’re using has come into contact with the material you are working on

• Taig Lathe One of the first lathes in Chris’ n+1 collection of lathes

• The Perfectionists A book, by Simon Winchester, that details the history of precision manufacturing

• Archimedes Screw

• Logan Lathe The lathe Chris upgraded to from the Taig

• Higbee Thread

• Breech Thread

• Follower Thread Cutting A video demonstrating how threads are cut using a follow rest

• Hello internet A podcast hosted by CGP Grey & Brady Haran

• Demise of the Kilogram A video produced by Hello Internet co-star, Brady Haran, that explores how the way we define various units of measurement is changing

• Veritasium Derek Muller goes hands-on with the world’s roundest object, a sphere of silicon used as the definitive standard of a kilogram

• Veritasium Redux A follow up to the previous video, Derek Muller ventures deep into the National Institute of Standards & Technology to discover how science is redefining the kilogram & rendering that perfect sphere of silicon effectively obsolete

Turns out there’s more than one way to thread a screw. Chris talks to Jon about the upsides and challenges of crafting multi lead threads for his pens, and why you should use metric—not imperial—measures.

It was Canada Day this past weekend. This may get a little patriotic. Sorry.

It was Canada Day this past weekend. This may get a little patriotic. Sorry.

Jon and Chris chat a little more about the Santa Fe speakers’ trip, the closure of OSU’s watchmaking program, and the potential upsides of augmenting reality.

Jon and Chris chat a little more about the Santa Fe speakers’ trip, the closure of OSU’s watchmaking program, and the potential upsides of augmenting reality.