Dayton Bicycles 1920 vintage print AD *Ride a Bike*
S$ 14.64
Bicycle Plans
Delta Electric Bicycle Lamp 1922 AD *To Work!*
S$ 17.33
Briggs & Stratton Motor Wheel 1920 vintage Full Page AD “The New Freedom”
S$ 24.06
Motorized Bike 1945 How-To build PLANS Schwinn Conversion
S$ 20.02
Bicycle Bike Pick-up Trailer How-To build PLANS 300lb Payload
S$ 9.27
BICYCLE POWER WHEEL 1953 How-To build PLANS Go-Devil
S$ 10.61
Chariot & Lion Cage Circus Parade Wagon 1956 How-To build PLANS
S$ 6.71
1922 Ace Motorcycle print AD “A new Thrill, A New Pleasure”
S$ 29.44
1916 Shaw Motorbicycle “A Superior, Easy Running, Dependable Power Bike"
S$ 26.75
Animated Figures for your Bike 1940 HowTo Build PLANS Whirligigs & Noisemaker
S$ 12.09
Convert a Tricycle into a Bicycle 1946 vintage How-To build PLANS
S$ 7.92
Power Wheel for Bicycle Bike or Wagon 1953 How-To build PLANS
S$ 10.61
Motorized Bike Bicycle Conversion 1954 How-To build PLANS
S$ 13.43
Tandem Bicycle Built for Two 1965 How-to build PLANS from old bikes
S$ 9.27
Bike Bicycle Trailer 1934 HowTo build PLANS Newspaper Delivery & Cargo
S$ 9.40
How-To Build a TANDEM BIKE 1960 PLANS Bicycle built for Two
S$ 12.09
Bicycle Radio Tube Powered 1940 HowTo build PLANS
S$ 10.74
Bicycle Radio Tube Powered 1936 HowTo build PLANS
S$ 12.09
Bike Bicycle Trailer HowTo build PLANS great Light Delivery
S$ 11.82
Bicycle Sidecar Mobile Concession 1935 Design PLAN vintage Hot Dog cart
S$ 10.61
Bicycle Trailer 1943 HowTo PLANS Hauls Child / Payload / Cargo Plywood/Conduit
S$ 14.64
Child size Rickshaw Style Bicycle Trailer How-To build PLANS
S$ 8.06
1948 WHIZZER Bike Motor Engine vintage AD
S$ 12.09
Tricycle Bike Trailer Teardrop 1950 How-To build PLANS
S$ 10.61
Steinlaufs Brothers Custom Bikes 1947 vintage pictorial Chicago Freakbikes
S$ 15.99
1922 Shaw Motor Attachment “Make Your Bike a Motorcycle” Motorbicycle
S$ 21.37
1920 Rollaway Power Attachment vintage Full Page AD *A Motor for Any Bicycle*
S$ 24.06
1916 Vitalic Bicycle Tires AD “More Miles Less Money” Continental Rubber Works
S$ 15.99
1920 Rollaway Power Attachment vintage Full Page AD *A Motor for Any Bicycle*
S$ 24.06
Wooden Bicycle 1943 How-To build PLANS WWII metal shortage
S$ 21.37
1916 Vitalic Bicycle Tires AD “More Miles Less Money” Continental Rubber Works
S$ 15.99
Delta Electric Bicycle Lamp No. 27 & 80 1922 vintage print AD *Spring is Here!*
S$ 17.33
Bike Bicycle Sidecar removable 1942 vintage Design INFO How-To PLANS
S$ 8.06
1921 Shaw Motor Attachment “Make a Motorcycle of Your Bike~at Little Cost”
S$ 21.37
How-To Build a Take-Apart Bike PLANS Bicycle Conversion
S$ 10.07
Briggs & Stratton Motor Wheel 1920 vintage Full Page AD “Once Every Hundred Mile
S$ 24.06
1922 Shaw Motor Attachment “Make Your Bike a Motorcycle” Motorbicycle
S$ 21.37
"Funny-Cycles...New Fad" 1948 vintage pictorial Custom Bikes Bicycles
S$ 8.06
Chariot Tricycle Trailer 1950 How-To build PLANS no weld
S$ 8.06
1917 Shaw Motor Attachment “Easy to Make Your Bike a Motorcycle” Motorbicycle
S$ 17.33
Briggs & Stratton Motor Wheel 1920 vintage Full Page AD
S$ 24.06
1930 Glide-O-Bike vintage print AD Flying Bike attachment
S$ 17.33
1922 Shaw Motor Attachment vintage print AD “Make Your Bike a Motorcycle”
S$ 20.02
Tas Bicycle Engine 1963 pictorial "How to Motorize a Bike" Motor Bike
S$ 17.33
1919 Shaw Motor Attachment “Make Your Bike a Motorcycle in a Jiffy” Motorbicycle
S$ 17.33
1920 Haverford Cycle Black Beauty Bicycle AD $1 a week pays for the Black Beauty
S$ 24.06
1920 Vitalic Bicycle Tires AD “Cost More to Buy But Less to Ride” Continental
S$ 15.99
1921 Rollaway Power Attachment vintage Full Page AD *Avoid the Crush~Hurry Home*
S$ 17.33
About us
Grandpa's Secrets
Discover a Wealth of How-to Projects & Plans from a Bygone Era.
Explore our Scientific & Mechanical History in Vintage Hobby, Craft, & Technical Magazine Articles.
When ordering multiple items please combine them in the shopping cart for the best shipping rate, or contact us for an invoice.
Discover a Wealth of How-to Projects & Plans from a Bygone Era.
Explore our Scientific & Mechanical History in Vintage Hobby, Craft, & Technical Magazine Articles.
When ordering multiple items please combine them in the shopping cart for the best shipping rate, or contact us for an invoice.
Seller feedback (25,852)
i***t (2427)- Feedback left by buyer.
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Super EBAYER, fast delivery & received in perfect condition. Thanks.
t***3 (796)- Feedback left by buyer.
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Nice print ad/packaged well and promptly shipped!
1***o (1667)- Feedback left by buyer.
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Item arrived safely packed and as described, thank you!
1***o (1667)- Feedback left by buyer.
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Item arrived as described and well packed, thank you!
l***a (806)- Feedback left by buyer.
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The book is great. A+++ seller. Very happy. Thank you!!
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good