Machining the Upper Mount for the Finder Scope

Machining the Eyepiece Retainer for the Finder Scope

Machining the Focuser for the Finder Scope

Machining the Intermediate Mount for the Finder Scope

Machining the Shield for the Finder Scope

Holemaking on the Tube for the Finder Scope

Machining the Lower Mount for the Finder Scope

Machining the Tube for the Finder Scope

Shallow Diameter Gage

Autocollimators 3: Optical Design

Autocollimators 2: Formula for Resolution

Autocollimators 1: Introduction

Quick Channel Update 8-2-20

Air Bearings: Anodizing

Air Bearings: Machining

Air Bearings: Introduction

Grinding Cutting Tools - Part 2

Grinding Cutting Tools - PART 1

Centrifugal Pump Types

Compression Packing

Taps

Screw Threads

Hydrodynamic Bearings

Case Hardening

Centrifugal Pumps

Positive Displacement Pump Types

Anti-Friction Bearings

The Apple Press